| curvature | (noun) the rate of change (at a point) of the angle between a curve and a tangent to the curve | - |
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| (noun) the property possessed by the curving of a line or surface | Synonyms: curve |
| (noun) (medicine) a curving or bending; often abnormal | - |
| davallia | (noun) any fern of the genus Davallia; having scaly creeping rhizomes | - |
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| deactivation | (noun) the act of deactivating or making ineffective (as a bomb) | Synonyms: defusing |
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| (noun) breaking up a military unit (by transfers or discharges) | Synonyms: inactivation |
| depravation | (noun) moral perversion; impairment of virtue and moral principles | Synonyms: corruption, degeneracy, depravity, putrefaction |
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| deprivation | (noun) act of depriving someone of food or money or rights | Synonyms: privation |
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| (noun) the disadvantage that results from losing something | Synonyms: loss |
| (noun) a state of extreme poverty | Synonyms: neediness, privation, want |
| derivation | (noun) the act of deriving something or obtaining something from a source or origin | - |
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| (noun) drawing off water from its main channel as for irrigation | - |
| (noun) drawing of fluid or inflammation away from a diseased part of the body | - |
| (noun) inherited properties shared with others of your bloodline | Synonyms: ancestry, filiation, lineage |
| (noun) a line of reasoning that shows how a conclusion follows logically from accepted propositions | - |
| (noun) (historical linguistics) an explanation of the historical origins of a word or phrase | Synonyms: deriving, etymologizing |
| (noun) the source or origin from which something derives (i.e. comes or issues) | - |
| (noun) (descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation | - |
| derivative | (noun) the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx | Synonyms: derived function, differential, differential coefficient, first derivative |
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| (noun) (linguistics) a word that is derived from another word | - |
| (noun) a financial instrument whose value is based on another security | Synonyms: derivative instrument |
| (noun) a compound obtained from, or regarded as derived from, another compound | - |
| devaluation | (noun) the reduction of something's value or worth | - |
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| (noun) an official lowering of a nation's currency; a decrease in the value of a country's currency relative to that of foreign countries | - |
| devastation | (noun) the termination of something by causing so much damage to it that it cannot be repaired or no longer exists | Synonyms: destruction |
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| (noun) plundering with excessive damage and destruction | Synonyms: ravaging |
| (noun) an event that results in total destruction | Synonyms: desolation |
| (noun) the feeling of being confounded or overwhelmed | - |
| (noun) the state of being decayed or destroyed | Synonyms: desolation |
| dhava | (noun) an Indian tree of the family Combretaceae that is a source of timber and gum | Synonyms: dhawa |
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| disadvantage | (noun) the quality of having an inferior or less favorable position | - |
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| disapproval | (noun) the act of disapproving or condemning | - |
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| (noun) an inclination to withhold approval from some person or group | Synonyms: disfavor, disfavour, dislike |
| (noun) the expression of disapproval | - |
| (noun) a feeling of disliking something or what someone is doing | - |
| diva | (noun) a distinguished female operatic singer; a female operatic star | Synonyms: prima donna |
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| divagation | (noun) a turning aside (of your course or attention or concern) | Synonyms: deflection, deflexion, deviation, digression, diversion |
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| (noun) a message that departs from the main subject | Synonyms: aside, digression, excursus, parenthesis |
| divan | (noun) a long backless sofa (usually with pillows against a wall) | - |
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| (noun) a Muslim council chamber or law court | Synonyms: diwan |
| (noun) a collection of Persian or Arabic poems (usually by one author) | Synonyms: diwan |
| (noun) a Muslim council of state | Synonyms: diwan |
| divarication | (noun) branching at a wide angle | - |
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| eigenvalue | (noun) (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant | Synonyms: characteristic root of a square matrix, eigenvalue of a matrix, eigenvalue of a square matrix |
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| elevated | (noun) a railway that is powered by electricity and that runs on a track that is raised above the street level | Synonyms: el, elevated railroad, elevated railway, overhead railway |
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| elevation | (noun) the act of increasing the wealth or prestige or power or scope of something | Synonyms: aggrandisement, aggrandizement |
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| (noun) drawing of an exterior of a structure | - |
| (noun) distance of something above a reference point (such as sea level) | - |
| (noun) (ballet) the height of a dancer's leap or jump | - |
| (noun) the event of something being raised upward | Synonyms: lift, raising |
| (noun) a raised or elevated geological formation | Synonyms: natural elevation |
| (noun) angular distance above the horizon (especially of a celestial object) | Synonyms: ALT, altitude, EL |
| (noun) the highest level or degree attainable; the highest stage of development | Synonyms: acme, height, meridian, peak, pinnacle, summit, superlative, tiptop, top |
| elevator | (noun) lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building | Synonyms: lift |
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| (noun) the airfoil on the tailplane of an aircraft that makes it ascend or descend | - |
| enervation | (noun) surgical removal of a nerve | - |
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| (noun) lack of vitality | - |
| (noun) serious weakening and loss of energy | Synonyms: debilitation, enfeeblement, exhaustion |
| equivalence | (noun) qualities that are comparable | Synonyms: comparability, compare, comparison |
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| (noun) essential equality and interchangeability | - |
| (noun) a state of being essentially equal or equivalent; equally balanced | Synonyms: equality, equation, par |
| equivalent | (noun) the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen | Synonyms: combining weight, eq, equivalent weight |
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| (noun) a person or thing equal to another in value or measure or force or effect or significance etc | - |
| estivation | (noun) (botany) the arrangement of sepals and petals in a flower bud before it opens | Synonyms: aestivation |
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| (noun) (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period | Synonyms: aestivation |
| evacuation | (noun) the act of removing the contents of something | Synonyms: emptying, voidance |
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| (noun) the act of evacuating; leaving a place in an orderly fashion; especially for protection | - |
| (noun) the bodily process of discharging waste matter | Synonyms: elimination, excreting, excretion, voiding |
| evacuee | (noun) a person who has been evacuated from a dangerous place | - |
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| evaluation | (noun) act of ascertaining or fixing the value or worth of | Synonyms: rating |
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| (noun) an appraisal of the value of something | Synonyms: rating, valuation |
| evaluator | (noun) an authority who is able to estimate worth or quality | Synonyms: judge |
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| evanescence | (noun) the event of fading and gradually vanishing from sight | - |
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| evangel | (noun) the four books in the New Testament (Matthew, Mark, Luke, and John) that tell the story of Christ's life and teachings | Synonyms: Gospel, Gospels |
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| evangelicalism | (noun) stresses the importance of personal conversion and faith as the means of salvation | - |
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| evangelism | (noun) zealous preaching and advocacy of the gospel | - |
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| evangelist | (noun) a preacher of the Christian gospel | Synonyms: gospeler, gospeller, revivalist |
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| evaporation | (noun) the process of becoming a vapor | Synonyms: vapor, vaporisation, vaporization, vapour |
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| (noun) the process of extracting moisture | Synonyms: dehydration, desiccation, drying up |
| evaporite | (noun) the sediment that is left after the evaporation of seawater | - |
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| evaporometer | (noun) an instrument that measures rate of evaporation of water | Synonyms: atmometer |
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| evasion | (noun) the act of physically escaping from something (an opponent or a pursuer or an unpleasant situation) by some adroit maneuver | - |
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| (noun) nonperformance of something distasteful (as by deceit or trickery) that you are supposed to do | Synonyms: dodging, escape |
| (noun) the deliberate act of failing to pay money | Synonyms: nonpayment |
| (noun) a statement that is not literally false but that cleverly avoids an unpleasant truth | Synonyms: equivocation |
| evasiveness | (noun) intentionally vague or ambiguous | Synonyms: equivocation, prevarication |
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| excavation | (noun) the act of extracting ores or coal etc from the earth | Synonyms: mining |
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| (noun) the act of digging | Synonyms: dig, digging |
| (noun) a hole in the ground made by excavating | - |
| (noun) the site of an archeological exploration | Synonyms: archeological site, dig |
| excavator | (noun) a machine for excavating | Synonyms: digger, power shovel, shovel |
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| (noun) a workman who excavates for foundations of buildings or for quarrying | - |
| extravagance | (noun) the activity of excessive spending | Synonyms: high life, highlife, lavishness, prodigality |
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| (noun) the trait of spending extravagantly | Synonyms: prodigality, profligacy |
| (noun) the quality of exceeding the appropriate limits of decorum or probability or truth | Synonyms: extravagancy |
| extravagancy | (noun) the quality of exceeding the appropriate limits of decorum or probability or truth | Synonyms: extravagance |
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| extravaganza | (noun) any lavishly staged or spectacular entertainment | - |
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| extravasation | (noun) the process of exuding or passing out of a vessel into surrounding tissues; said of blood or lymph or urine | - |
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| (noun) (of volcanoes) pouring out fumes or lava (or a deposit so formed) | Synonyms: eructation, eruption |
| (noun) an extravasated liquid (blood or lymph or urine); the product of extravasation | - |
| festival | (noun) an organized series of acts and performances (usually in one place) | Synonyms: fete |
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| (noun) a day or period of time set aside for feasting and celebration | - |
| fluvastatin | (noun) least expensive statin drug (trade name Lescol); usually taken orally at bedtime | Synonyms: Lescol |
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| galvanisation | (noun) either the work of covering with metal by the use of a galvanic current or the coating of iron with zinc to protect it from rusting | Synonyms: galvanization |
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| (noun) stimulation that arouses a person to lively action | Synonyms: galvanization |
| (noun) stimulation with a galvanic current | Synonyms: galvanization |
| galvaniser | (noun) a leader who stimulates and excites people to action | Synonyms: galvanizer, inspirer |
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| (noun) a skilled worker who coats iron or steel with zinc | Synonyms: galvanizer |
| galvanism | (noun) the therapeutic application of electricity to the body (as in the treatment of various forms of paralysis) | Synonyms: electric healing, electrical healing, electrotherapy |
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| (noun) electricity produced by chemical action | - |
| galvanization | (noun) either the work of covering with metal by the use of a galvanic current or the coating of iron with zinc to protect it from rusting | Synonyms: galvanisation |
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| (noun) stimulation that arouses a person to lively action | Synonyms: galvanisation |
| (noun) stimulation with a galvanic current | Synonyms: galvanisation |
| galvanizer | (noun) a leader who stimulates and excites people to action | Synonyms: galvaniser, inspirer |
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| (noun) a skilled worker who coats iron or steel with zinc | Synonyms: galvaniser |
| galvanometer | (noun) meter for detecting or comparing or measuring small electric currents | - |
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| gastrogavage | (noun) feeding a nutrient solution into the stomach through a tube through a surgically created opening | - |
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| gavage | (noun) feeding that consists of the delivery of a nutrient solution (as through a nasal tube) to someone who cannot or will not eat | Synonyms: forced feeding |
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| geneva | (noun) gin made in the Netherlands | Synonyms: Holland gin, Hollands |
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| gingiva | (noun) the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth | Synonyms: gum |
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| grievance | (noun) a complaint about a (real or imaginary) wrong that causes resentment and is grounds for action | - |
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| (noun) an allegation that something imposes an illegal obligation or denies some legal right or causes injustice | - |
| (noun) a resentment strong enough to justify retaliation | Synonyms: grudge, score |
| guava | (noun) tropical fruit having yellow skin and pink pulp; eaten fresh or used for e.g. jellies | - |
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| (noun) small tropical American shrubby tree; widely cultivated in warm regions for its sweet globular yellow fruit | Synonyms: guava bush, Psidium guajava, true guava |
| (noun) small tropical shrubby tree bearing small yellowish fruit | Synonyms: Psidium littorale, strawberry guava, yellow cattley guava |
| immovability | (noun) not capable of being moved or rearranged | Synonyms: immovableness |
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| immovable | (noun) property consisting of houses and land | Synonyms: real estate, real property, realty |
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| immovableness | (noun) not capable of being moved or rearranged | Synonyms: immovability |
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| inactivation | (noun) breaking up a military unit (by transfers or discharges) | Synonyms: deactivation |
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| (noun) the process of rendering inactive | - |
| inconceivability | (noun) the state of being impossible to conceive | Synonyms: inconceivableness |
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| inconceivableness | (noun) the state of being impossible to conceive | Synonyms: inconceivability |
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| incurvation | (noun) the action of creating a curved shape | - |
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| (noun) a shape that curves or bends inward | Synonyms: concave shape, concavity, incurvature |
| incurvature | (noun) a shape that curves or bends inward | Synonyms: concave shape, concavity, incurvation |
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| innervation | (noun) the distribution of nerve fibers to an organ or body region | - |
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| (noun) the neural or electrical arousal of an organ or muscle or gland | Synonyms: excitation, irritation |
| innovation | (noun) the act of starting something for the first time; introducing something new | Synonyms: creation, foundation, founding, initiation, instauration, institution, introduction, origination |
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| (noun) a creation (a new device or process) resulting from study and experimentation | Synonyms: invention |
| (noun) the creation of something in the mind | Synonyms: conception, design, excogitation, invention |
| innovativeness | (noun) originality by virtue of introducing new ideas | - |
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| innovator | (noun) someone who helps to open up a new line of research or technology or art | Synonyms: groundbreaker, pioneer, trailblazer |
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| interval | (noun) the distance between things | Synonyms: separation |
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| (noun) a set containing all points (or all real numbers) between two given endpoints | - |
| (noun) the difference in pitch between two notes | Synonyms: musical interval |
| (noun) a definite length of time marked off by two instants | Synonyms: time interval |
| intravasation | (noun) entry of foreign matter into a blood vessel | - |
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| invader | (noun) someone who enters by force in order to conquer | Synonyms: encroacher |
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| invagination | (noun) the folding in of an outer layer so as to form a pocket in the surface | Synonyms: infolding, introversion, intussusception |
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| (noun) the condition of being folded inward or sheathed | Synonyms: introversion |
| invalid | (noun) someone who is incapacitated by a chronic illness or injury | Synonyms: shut-in |
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| invalidation | (noun) (law) a formal termination (of a relationship or a judicial proceeding etc) | Synonyms: annulment |
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| (noun) when a person's thoughts and feelings are rejected, ignored, or judged. | - |
| invalidator | (noun) an official who can invalidate or nullify | Synonyms: nullifier, voider |
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| invalidism | (noun) chronic ill health | - |
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| invalidity | (noun) illogicality as a consequence of having a conclusion that does not follow from the premisses | Synonyms: invalidness |
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| invalidness | (noun) illogicality as a consequence of having a conclusion that does not follow from the premisses | Synonyms: invalidity |
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| invaluableness | (noun) the positive quality of being precious and beyond value | Synonyms: preciousness, pricelessness, valuableness |
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| invariability | (noun) the quality of being resistant to variation | Synonyms: invariableness, invariance |
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| (noun) a quality of uniformity and lack of variation | Synonyms: evenness |
| invariable | (noun) a quantity that does not vary | Synonyms: constant, constant quantity |
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| invariableness | (noun) the quality of being resistant to variation | Synonyms: invariability, invariance |
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| invariance | (noun) the quality of being resistant to variation | Synonyms: invariability, invariableness |
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| (noun) the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it | - |
| invariant | (noun) a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it | - |
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| invasion | (noun) the act of invading; the act of an army that invades for conquest or plunder | - |
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| (noun) any entry into an area not previously occupied | Synonyms: encroachment, intrusion |
| (noun) (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body | - |
| invasiveness | (noun) The quality of involving entry into the living body (as by incision or by insertion of an instrument). | - |
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| (noun) The quality of tending to spread; especially of tending to invade healthy tissue. | - |
| irrelevance | (noun) the lack of a relation of something to the matter at hand | Synonyms: irrelevancy |
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| irrelevancy | (noun) the lack of a relation of something to the matter at hand | Synonyms: irrelevance |
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| irremovability | (noun) the quality or state of not being removable. | - |
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| iva | (noun) any of various coarse shrubby plants of the genus Iva with small greenish flowers; common in moist areas (as coastal salt marshes) of eastern and central North America | Synonyms: marsh elder |
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| java | (noun) a beverage consisting of an infusion of ground coffee beans | Synonyms: coffee |
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| kava | (noun) an alcoholic drink made from the aromatic roots of the kava shrub | Synonyms: kavakava |
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| kavakava | (noun) an alcoholic drink made from the aromatic roots of the kava shrub | Synonyms: kava |
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| kuvasz | (noun) long-established Hungarian breed of tall light-footed but sturdy white dog; used also as a hunting dog | - |
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| kvass | (noun) fermented beverage resembling beer but made from rye or barley | - |
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| larva | (noun) the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose | - |
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| larvacean | (noun) any member of the class Larvacea | - |
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| larvacide | (noun) an insecticide that kills the larvae of insects | - |
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