| expiration | (noun) the act of expelling air from the lungs | Synonyms: breathing out, exhalation |
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| (noun) euphemistic expressions for death | Synonyms: departure, exit, going, loss, passing, release |
| (noun) a coming to an end of a contract period | Synonyms: expiry, termination |
| exploration | (noun) a careful systematic search | - |
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| (noun) to travel for the purpose of discovery | Synonyms: geographic expedition |
| (noun) a systematic consideration | - |
| federation | (noun) the act of constituting a political unity out of a number of separate states or colonies or provinces so that each member retains the management of its internal affairs | - |
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| (noun) a union of political organizations | Synonyms: confederacy, confederation |
| (noun) an organization formed by merging several groups or parties | - |
| fenestration | (noun) surgical procedure that creates a new fenestra to the cochlea in order to restore hearing lost because of osteosclerosis | - |
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| (noun) the arrangement of windows in a building | - |
| figuration | (noun) decorating with a design | - |
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| (noun) representing figuratively as by emblem or allegory | - |
| figurativeness | (noun) The property of being metaphorical or tropical, as opposed to literal; using figures of speech. | - |
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| (noun) The representation of form or figure in art. | - |
| filtration | (noun) the act of changing a fluid by passing it through a filter | - |
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| (noun) the process whereby fluids pass through a filter or a filtering medium | - |
| fitspiration | (noun) something that inspires you to exercise | - |
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| frustration | (noun) an act of hindering someone's plans or efforts | Synonyms: foiling, thwarting |
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| (noun) the feeling that accompanies an experience of being thwarted in attaining your goals | Synonyms: defeat |
| (noun) a feeling of annoyance at being hindered or criticized | - |
| generation | (noun) the act of producing offspring or multiplying by such production | Synonyms: multiplication, propagation |
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| (noun) the production of heat or electricity | - |
| (noun) a coming into being | Synonyms: genesis |
| (noun) group of genetically related organisms constituting a single step in the line of descent | - |
| (noun) all the people living at the same time or of approximately the same age | Synonyms: coevals, contemporaries |
| (noun) the normal time between successive generations | - |
| (noun) a stage of technological development or innovation | - |
| graticule | (noun) a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument | Synonyms: reticle, reticule |
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| gratification | (noun) the act or an instance of satisfying | - |
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| (noun) state of being gratified or satisfied | Synonyms: satisfaction |
| grating | (noun) a barrier that has parallel or crossed bars blocking a passage but admitting air | Synonyms: grate |
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| (noun) a frame of iron bars to hold a fire | Synonyms: grate |
| (noun) optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum | Synonyms: diffraction grating |
| gratitude | (noun) a feeling of thankfulness and appreciation | - |
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| gyration | (noun) the act of rotating in a circle or spiral | Synonyms: whirling |
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| (noun) a single complete turn (axial or orbital) | Synonyms: revolution, rotation |
| hieratic | (noun) a cursive form of Egyptian hieroglyphics; used especially by the priests | Synonyms: hieratic script |
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| hydration | (noun) the process of combining with water; usually reversible | - |
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| illustration | (noun) a visual representation (a picture or diagram) that is used to make some subject more pleasing or easier to understand | - |
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| (noun) an item of information that is typical of a class or group | Synonyms: example, instance, representative |
| (noun) artwork that helps make something clear or attractive | - |
| (noun) showing by example | Synonyms: exemplification |
| immigration | (noun) migration into a place (especially migration to a country of which you are not a native in order to settle there) | Synonyms: in-migration |
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| (noun) the body of immigrants arriving during a specified interval | - |
| immoderation | (noun) the quality of being excessive and lacking in moderation | Synonyms: immoderateness |
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| imperative | (noun) some duty that is essential and urgent | - |
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| (noun) a verb in the imperative mood. | Synonyms: imperative verb |
| (noun) a mood that expresses an intention to influence the listener's behavior | Synonyms: imperative form, imperative mood, jussive mood |
| imperativeness | (noun) the quality of being insistent | Synonyms: instancy |
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| (noun) the state of demanding notice or attention | Synonyms: insistence, insistency, press, pressure |
| inauguration | (noun) the ceremonial induction into a position | Synonyms: inaugural |
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| (noun) the act of starting a new operation or practice | Synonyms: startup |
| incarceration | (noun) the state of being imprisoned | Synonyms: captivity, immurement, imprisonment |
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| incineration | (noun) the act of burning something completely; reducing it to ashes | - |
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| inconsideration | (noun) the quality of failing to be considerate of others | Synonyms: inconsiderateness, thoughtlessness |
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| incorporation | (noun) including by incorporating | - |
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| (noun) consolidating two or more things; union in (or into) one body | - |
| (noun) learning (of values or attitudes etc.) that is incorporated within yourself | Synonyms: internalisation, internalization |
| induration | (noun) any pathological hardening or thickening of tissue | Synonyms: sclerosis |
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| infiltration | (noun) a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection) | - |
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| (noun) the slow passage of a liquid through a filtering medium | Synonyms: percolation |
| ingratiation | (noun) the act of gaining acceptance or affection for yourself by persuasive and subtle blandishments | Synonyms: insinuation |
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| ingratitude | (noun) a lack of gratitude | Synonyms: ungratefulness |
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| inspiration | (noun) the act of inhaling; the drawing in of air (or other gases) as in breathing | Synonyms: aspiration, breathing in, inhalation, intake |
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| (noun) arousing to a particular emotion or action | Synonyms: stirring |
| (noun) a product of your creative thinking and work | Synonyms: brainchild |
| (noun) (theology) a special influence of a divinity on the minds of human beings | Synonyms: divine guidance |
| (noun) a sudden intuition as part of solving a problem | - |
| (noun) arousal of the mind to special unusual activity or creativity | - |
| instauration | (noun) the act of starting something for the first time; introducing something new | Synonyms: creation, foundation, founding, initiation, innovation, institution, introduction, origination |
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| integrating | (noun) the action of incorporating a racial or religious group into a community | Synonyms: desegregation, integration |
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| integration | (noun) the action of incorporating a racial or religious group into a community | Synonyms: desegregation, integrating |
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| (noun) the act of combining into an integral whole | Synonyms: consolidation |
| (noun) an operation used in the calculus whereby the integral of a function is determined | - |
| interpenetration | (noun) mutual penetration; diffusion of each through the other | Synonyms: permeation |
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| (noun) the action of penetrating between or among | - |
| invigoration | (noun) the activity of giving vitality and vigour to something | Synonyms: animation, vivification |
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| (noun) quality of being active or spirited or alive and vigorous | Synonyms: animation, brio, spiritedness, vivification |
| iridokeratitis | (noun) inflammation of the iris and cornea of the eye | - |
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| irrational | (noun) a real number that cannot be expressed as a rational number | Synonyms: irrational number |
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| irrationality | (noun) the state of being irrational; lacking powers of understanding | Synonyms: unreason |
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| iteration | (noun) doing or saying again; a repeated performance | - |
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| (noun) (computer science) executing the same set of instructions a given number of times or until a specified result is obtained | Synonyms: looping |
| (noun) (computer science) a single execution of a set of instructions that are to be repeated | Synonyms: loop |
| iterative | (noun) the aspect of the verb that expresses the repetition of an action | Synonyms: iterative aspect |
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| itineration | (noun) journeying from place to place preaching or lecturing; a preaching tour or lecturing tour | - |
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| keratin | (noun) a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves | Synonyms: ceratin |
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| keratinisation | (noun) organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair) | Synonyms: keratinization |
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| keratinization | (noun) organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair) | Synonyms: keratinisation |
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| keratitis | (noun) inflammation of the cornea causing watery painful eyes and blurred vision | - |
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| laceration | (noun) the act of lacerating | - |
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| (noun) a torn ragged wound | - |
| liberation | (noun) the attempt to achieve equal rights or status | - |
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| (noun) the termination of someone's employment (leaving them free to depart) | Synonyms: discharge, dismissal, dismission, firing, release, sack, sacking |
| (noun) the act of liberating someone or something | Synonyms: freeing, release |
| libration | (noun) (astronomy) a real or apparent slow oscillation of a moon or satellite | - |
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| literati | (noun) the literary intelligentsia | - |
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| lucrativeness | (noun) the quality of affording gain or benefit or profit | Synonyms: gainfulness, profitability, profitableness |
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| lucubration | (noun) laborious cogitation | - |
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| (noun) a solemn literary work that is the product of laborious cogitation | - |
| maceration | (noun) extreme leanness (usually caused by starvation or disease) | Synonyms: boniness, bonyness, emaciation, gauntness |
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| (noun) softening due to soaking or steeping | - |
| maturation | (noun) (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | Synonyms: development, growing, growth, ontogenesis, ontogeny |
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| (noun) coming to full development; becoming mature | Synonyms: maturement, ripening |
| (noun) (medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus | Synonyms: festering, suppuration |
| melioration | (noun) the act of relieving ills and changing for the better | Synonyms: amelioration, betterment |
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| (noun) the linguistic process in which over a period of time a word grows more positive in connotation or more elevated in meaning | - |
| (noun) a condition superior to an earlier condition | Synonyms: improvement |
| mensuration | (noun) the act or process of assigning numbers to phenomena according to a rule | Synonyms: measure, measurement, measuring |
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| migration | (noun) the movement of persons from one country or locality to another | - |
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| (noun) the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding | - |
| (noun) (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule | - |
| (noun) a group of people migrating together (especially in some given time period) | - |
| ministration | (noun) assistance in time of difficulty | Synonyms: relief, succor, succour |
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| moderation | (noun) the action of lessening in severity or intensity | Synonyms: mitigation |
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| (noun) quality of being moderate and avoiding extremes | Synonyms: moderateness |
| (noun) the trait of avoiding excesses | Synonyms: temperance |
| (noun) a change for the better | Synonyms: easing, relief |
| moderationism | (noun) the policy of being moderate or acting with moderation | - |
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| moderationist | (noun) a person who takes a position in the political center | Synonyms: centrist, middle of the roader, moderate |
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| (noun) a moderate drinker (as opposed to a total abstainer) | - |
| moderatism | (noun) a political philosophy of avoiding the extremes of left and right by taking a moderate position or course of action | Synonyms: centrism |
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| murmuration | (noun) a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech | Synonyms: murmur, murmuring, mussitation, mutter, muttering |
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| narration | (noun) the act of giving an account describing incidents or a course of events | Synonyms: recital, yarn |
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| (noun) a message that tells the particulars of an act or occurrence or course of events; presented in writing or drama or cinema or as a radio or television program | Synonyms: narrative, story, tale |
| (noun) (rhetoric) the second section of an oration in which the facts are set forth | - |
| narrative | (noun) a message that tells the particulars of an act or occurrence or course of events; presented in writing or drama or cinema or as a radio or television program | Synonyms: narration, story, tale |
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| nonproliferation | (noun) the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons) | Synonyms: non-proliferation |
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| numeration | (noun) the act of counting; reciting numbers in ascending order | Synonyms: count, counting, enumeration, reckoning, tally |
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| (noun) naming numbers | - |
| obliteration | (noun) destruction by annihilating something | Synonyms: annihilation |
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| (noun) the complete destruction of every trace of something | Synonyms: eradication |
| operation | (noun) a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body | Synonyms: surgery, surgical operation, surgical procedure, surgical process |
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| (noun) (mathematics) calculation by mathematical methods | Synonyms: mathematical operation, mathematical process |
| (noun) activity by a military or naval force (as a maneuver or campaign) | Synonyms: military operation |
| (noun) a planned activity involving many people performing various actions | - |
| (noun) a process or series of acts especially of a practical or mechanical nature involved in a particular form of work | Synonyms: procedure |
| (noun) a business especially one run on a large scale | - |
| (noun) the activity of operating something (a machine or business etc.) | - |
| (noun) (psychology) the performance of some composite cognitive activity; an operation that affects mental contents | Synonyms: cognitive operation, cognitive process, mental process, process |
| (noun) (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) | - |
| (noun) process or manner of functioning or operating | Synonyms: functioning, performance |
| (noun) the state of being in effect or being operative | - |
| operationalism | (noun) (philosophy) the doctrine that the meaning of a proposition consists of the operations involved in proving or applying it | - |
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| operations | (noun) financial transactions at a brokerage; having to do with the execution of trades and keeping customer records | Synonyms: trading operations |
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| operative | (noun) someone who can be employed as a detective to collect information and assist in criminal investigations | Synonyms: PI, private detective, private eye, private investigator, shamus, sherlock |
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| (noun) a person secretly employed in espionage for a government | Synonyms: intelligence agent, intelligence officer, secret agent |
| oration | (noun) an instance of oratory | - |
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| orchestration | (noun) the act of arranging a piece of music for an orchestra and assigning parts to the different musical instruments | Synonyms: instrumentation |
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| (noun) an arrangement of events that attempts to achieve a maximum effect | - |
| (noun) an arrangement of a piece of music for performance by an orchestra or band | - |
| overrating | (noun) a calculation that results in an estimate that is too high | Synonyms: overestimate, overestimation, overreckoning |
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| palpebration | (noun) repeated blinking or winking (especially if uncontrolled and persistent) | - |
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| penetration | (noun) an attack that penetrates into enemy territory | Synonyms: incursion |
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| (noun) the act of entering into or through something | - |
| (noun) the act (by a man) of inserting his penis into the vagina of a woman | - |
| (noun) the depth to which something penetrates (especially the depth reached by a projectile that hits a target) | - |
| (noun) the ability to make way into or through something | - |
| (noun) clear or deep perception of a situation | Synonyms: insight |
| perforation | (noun) the act of punching a hole (especially a row of holes as for ease of separation) | - |
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| (noun) a line of small holes for tearing at a particular place | - |
| (noun) a hole made in something | - |
| peroration | (noun) (rhetoric) the concluding section of an oration | - |
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| (noun) a flowery and highly rhetorical oration | - |
| perpetration | (noun) the act of committing a crime | Synonyms: commission, committal |
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| perseveration | (noun) the act of persisting or persevering; continuing or repeating behavior | Synonyms: perseverance, persistence |
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| (noun) the tendency for a memory or idea to persist or recur without any apparent stimulus for it | - |
| perspiration | (noun) salty fluid secreted by sweat glands | Synonyms: sudor, sweat |
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| (noun) the process of the sweat glands of the skin secreting a salty fluid | Synonyms: diaphoresis, hidrosis, sudation, sweating |
| pervaporation | (noun) the concentration of a colloidal solution whose colloid will not pass through a semipermeable membrane; solution is placed in a bag of the membrane and the solvent is evaporated off | - |
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| pratincole | (noun) Old World shorebird with long pointed wings and short legs; closely related to the coursers | Synonyms: glareole |
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| prefiguration | (noun) the act of providing vague advance indications; representing beforehand | Synonyms: adumbration, foreshadowing |
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| (noun) an example that prefigures or foreshadows what is to come | - |
| preparation | (noun) activity leading to skilled behavior | Synonyms: grooming, training |
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| (noun) preparatory school work done outside school (especially at home) | Synonyms: prep |
| (noun) the activity of putting or setting in order in advance of some act or purpose | Synonyms: readying |
| (noun) the act of preparing something (as food) by the application of heat | Synonyms: cookery, cooking |
| (noun) the cognitive process of thinking about what you will do in the event of something happening | Synonyms: planning, provision |
| (noun) (music) a note that produces a dissonant chord is first heard in a consonant chord | - |
| (noun) the state of having been made ready or prepared for use or action (especially military action) | Synonyms: preparedness, readiness |
| (noun) a substance prepared according to a formula | Synonyms: formulation |
| proliferation | (noun) growth by the rapid multiplication of parts | - |
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| (noun) a rapid increase in number (especially a rapid increase in the number of deadly weapons) | - |
| proration | (noun) the proportional limitation of production or distribution of something (e.g. crude oil or natural gas) to some fractional part of the total capacity of each producer | - |
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| prostration | (noun) the act of assuming a prostrate position | - |
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| (noun) abject submission; the emotional equivalent of prostrating your body | - |
| (noun) an abrupt failure of function or complete physical exhaustion | Synonyms: collapse |
| quadratic | (noun) a polynomial of the second degree | Synonyms: quadratic polynomial |
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| (noun) an equation in which the highest power of an unknown quantity is a square | Synonyms: quadratic equation |
| quadratics | (noun) a branch of algebra dealing with quadratic equations | - |
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| ratification | (noun) making something valid by formally ratifying or confirming it | Synonyms: confirmation |
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| ratifier | (noun) someone who expresses strong approval | Synonyms: endorser, indorser, subscriber |
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| rating | (noun) act of ascertaining or fixing the value or worth of | Synonyms: evaluation |
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| (noun) an appraisal of the value of something | Synonyms: evaluation, valuation |
| (noun) standing or position on a scale | - |
| (noun) rank in a military organization | Synonyms: military rank, military rating, paygrade |
| ratio | (noun) the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree | Synonyms: proportion |
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| (noun) the relative magnitudes of two quantities (usually expressed as a quotient) | - |
| ratiocination | (noun) logical and methodical reasoning | - |
|---|
| (noun) the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism) | Synonyms: conclusion |
| ratiocinator | (noun) someone who reasons logically | Synonyms: reasoner |
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| ration | (noun) the food allowance for one day (especially for service personnel) | - |
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| (noun) a fixed portion that is allotted (especially in times of scarcity) | - |
| rational | (noun) an integer or a fraction | Synonyms: rational number |
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