protea | (noun) any tropical African shrub of the genus Protea having alternate rigid leaves and dense colorful flower heads resembling cones | - |
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protease | (noun) any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis | Synonyms: peptidase, proteinase, proteolytic enzyme |
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protection | (noun) the activity of protecting someone or something | - |
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(noun) payment extorted by gangsters on threat of violence | Synonyms: tribute |
(noun) kindly endorsement and guidance | Synonyms: aegis, auspices |
(noun) the imposition of duties or quotas on imports in order to protect domestic industry against foreign competition | Synonyms: trade protection |
(noun) a covering that is intend to protect from damage or injury | Synonyms: protective cover, protective covering |
(noun) defense against financial failure; financial independence | Synonyms: security |
(noun) the condition of being protected | Synonyms: shelter |
protectionism | (noun) the policy of imposing duties or quotas on imports in order to protect home industries from overseas competition | - |
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protectionist | (noun) an advocate of protectionism | - |
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protectiveness | (noun) the quality of providing protection | - |
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(noun) a feeling of protective affection | - |
protector | (noun) a person who cares for persons or property | Synonyms: defender, guardian, shielder |
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protectorate | (noun) a state or territory partly controlled by (but not a possession of) a stronger state but autonomous in internal affairs; protectorates are established by treaty | Synonyms: associated state |
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protectorship | (noun) the position of protector | - |
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protege | (noun) a person who receives support and protection from an influential patron who furthers the protege's career | - |
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protegee | (noun) a woman protege | - |
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protein | (noun) any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes | - |
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proteinase | (noun) any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis | Synonyms: peptidase, protease, proteolytic enzyme |
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proteinuria | (noun) the presence of excessive protein (chiefly albumin but also globulin) in the urine; usually a symptom of kidney disorder | Synonyms: albuminuria |
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proteolysis | (noun) the hydrolysis of proteins into peptides and amino acids by cleavage of their peptide bonds | - |
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proteome | (noun) the full complement of proteins produced by a particular genome | - |
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proteomics | (noun) the branch of genetics that studies the full set of proteins encoded by a genome | - |
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proteosome | (noun) a form of vaccine that can be administered by an inhaler | Synonyms: proteosome vaccine |
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protest | (noun) the act of protesting; a public (often organized) manifestation of dissent | Synonyms: dissent, objection |
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(noun) a formal and solemn declaration of objection | Synonyms: protestation |
(noun) the act of making a strong public expression of disagreement and disapproval | - |
protestation | (noun) a strong declaration of protest | - |
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(noun) a formal and solemn declaration of objection | Synonyms: protest |
protester | (noun) someone who participates in a public display of group feeling | Synonyms: demonstrator |
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(noun) a person who dissents from some established policy | Synonyms: contestant, dissenter, dissident, objector |
prothalamion | (noun) a song in celebration of a marriage | Synonyms: prothalamium |
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prothalamium | (noun) a song in celebration of a marriage | Synonyms: prothalamion |
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prothorax | (noun) the anterior part of an insect's thorax; bears the first pair of legs | - |
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prothrombin | (noun) a protein in blood plasma that is the inactive precursor of thrombin | Synonyms: factor II |
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prothrombinase | (noun) coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors | Synonyms: factor X |
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protip | (noun) an insightful bit of advice | - |
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protirelin | (noun) hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary | Synonyms: thyrotropin-releasing factor, thyrotropin-releasing hormone, TRF, TRH |
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protist | (noun) free-living or colonial organisms with diverse nutritional and reproductive modes | Synonyms: protistan |
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protistan | (noun) free-living or colonial organisms with diverse nutritional and reproductive modes | Synonyms: protist |
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protoactinium | (noun) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead | Synonyms: atomic number 91, Pa, protactinium |
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protoanthropology | (noun) the study of humans prior to the invention of writing | Synonyms: protohistory |
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protoarchaeology | (noun) the study of prehistoric human artifacts and human fossils | Synonyms: protoarcheology |
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protoarcheology | (noun) the study of prehistoric human artifacts and human fossils | Synonyms: protoarchaeology |
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protoavis | (noun) most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs | - |
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protoceratops | (noun) small horned dinosaur | - |
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protocol | (noun) code of correct conduct | - |
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(noun) forms of ceremony and etiquette observed by diplomats and heads of state | - |
(noun) (computer science) rules determining the format and transmission of data | Synonyms: communications protocol |
protoctist | (noun) any of the unicellular protists | - |
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protoheme | (noun) a complex red organic pigment containing iron and other atoms to which oxygen binds | Synonyms: haem, haemitin, hematin, heme |
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protohemin | (noun) a reddish-brown chloride of heme; produced from hemoglobin in laboratory tests for the presence of blood | Synonyms: hemin |
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protohippus | (noun) Pliocene horse approaching donkeys in size | - |
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protohistory | (noun) the study of humans prior to the invention of writing | Synonyms: protoanthropology |
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protology | (noun) the study of origins and first things | - |
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protomammal | (noun) probably warm-blooded; considered direct ancestor of mammals | Synonyms: therapsid |
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proton | (noun) a stable particle with positive charge equal to the negative charge of an electron | - |
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protoplasm | (noun) the substance of a living cell (including cytoplasm and nucleus) | Synonyms: living substance |
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protoplast | (noun) a biological unit consisting of a nucleus and the body of cytoplasm with which it interacts | Synonyms: energid |
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prototherian | (noun) primitive oviparous mammals found only in Australia and Tasmania and New Guinea | - |
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prototype | (noun) a standard or typical example | Synonyms: epitome, image, paradigm |
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protozoan | (noun) any of diverse minute acellular or unicellular organisms usually nonphotosynthetic | Synonyms: protozoon |
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protozoologist | (noun) a zoologist who studies protozoans | - |
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protozoology | (noun) the branch of zoology that studies protozoans | - |
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protozoon | (noun) any of diverse minute acellular or unicellular organisms usually nonphotosynthetic | Synonyms: protozoan |
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protraction | (noun) the act of prolonging something | Synonyms: lengthening, perpetuation, prolongation |
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(noun) the consequence of being lengthened in duration | Synonyms: continuation, lengthiness, prolongation |
protractor | (noun) drafting instrument used to draw or measure angles | - |
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protriptyline | (noun) tricyclic antidepressant used to treat clinical depression | - |
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protrusion | (noun) the act of projecting out from something | Synonyms: jut, jutting, projection |
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(noun) something that bulges out or is protuberant or projects from its surroundings | Synonyms: bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protuberance, swelling |
protuberance | (noun) something that bulges out or is protuberant or projects from its surroundings | Synonyms: bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, swelling |
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(noun) the condition of being protuberant; the condition of bulging out | - |
proturan | (noun) any of several minute primitive wingless and eyeless insects having a cone-shaped head; inhabit damp soil or decaying organic matter | Synonyms: telsontail |
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provability | (noun) capability of being demonstrated or logically proved | Synonyms: demonstrability |
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provenance | (noun) where something originated or was nurtured in its early existence | Synonyms: birthplace, cradle, place of origin, provenience |
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provender | (noun) a stock or supply of foods | Synonyms: commissariat, provisions, viands, victuals |
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(noun) food for domestic livestock | Synonyms: feed |
provenience | (noun) where something originated or was nurtured in its early existence | Synonyms: birthplace, cradle, place of origin, provenance |
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proverb | (noun) a condensed but memorable saying embodying some important fact of experience that is taken as true by many people | Synonyms: adage, byword, saw |
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providence | (noun) the guardianship and control exercised by a deity | - |
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(noun) the prudence and care exercised by someone in the management of resources | - |
(noun) a manifestation of God's foresightful care for his creatures | - |
provider | (noun) someone whose business is to supply a particular service or commodity | Synonyms: supplier |
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(noun) someone who provides the means for subsistence | - |
province | (noun) the territory occupied by one of the constituent administrative districts of a nation | Synonyms: state |
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(noun) the proper sphere or extent of your activities | Synonyms: responsibility |
provincial | (noun) a country person | Synonyms: bucolic, peasant |
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(noun) (Roman Catholic Church) an official in charge of an ecclesiastical province acting under the superior general of a religious order | - |
provincialism | (noun) a partiality for some particular place | Synonyms: localism, sectionalism |
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(noun) a lack of sophistication | - |
provirus | (noun) cDNA copy of the RNA genome of a retrovirus; the genetic material of a virus as incorporated into and able to replicate with the genome of a host cell | - |
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provision | (noun) the activity of supplying or providing something | Synonyms: supply, supplying |
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(noun) the cognitive process of thinking about what you will do in the event of something happening | Synonyms: planning, preparation |
(noun) a stipulated condition | Synonyms: proviso |
(noun) a store or supply of something (especially of food or clothing or arms) | - |
provisioner | (noun) a supplier of victuals or supplies to an army | Synonyms: sutler, victualer, victualler |
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provisions | (noun) a stock or supply of foods | Synonyms: commissariat, provender, viands, victuals |
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proviso | (noun) a stipulated condition | Synonyms: provision |
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provitamin | (noun) vitamin precursor; a substance that is converted into a vitamin in animal tissues | - |
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provocateur | (noun) a secret agent who incites suspected persons to commit illegal acts | Synonyms: agent provocateur |
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provocation | (noun) unfriendly behavior that causes anger or resentment | Synonyms: aggravation, irritation |
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(noun) needed encouragement | Synonyms: incitement |
(noun) something that incites or provokes; a means of arousing or stirring to action | Synonyms: incitation, incitement |
provoker | (noun) someone who deliberately foments trouble | Synonyms: firebrand, inciter, instigant, instigator |
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provost | (noun) a high-ranking university administrator | - |
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prow | (noun) front part of a vessel or aircraft | Synonyms: bow, fore, stem |
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prowess | (noun) a superior skill that you can learn by study and practice and observation | Synonyms: art, artistry |
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prowl | (noun) the act of prowling (walking about in a stealthy manner) | - |
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prowler | (noun) someone who prowls or sneaks about; usually with unlawful intentions | Synonyms: sneak, stalker |
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proxemics | (noun) the study of spatial distances between individuals in different cultures and situations | - |
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proximity | (noun) the property of being close together | Synonyms: propinquity |
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(noun) a Gestalt principle of organization holding that (other things being equal) objects or events that are near to one another (in space or time) are perceived as belonging together as a unit | Synonyms: law of proximity |
(noun) the region close around a person or thing | - |
proxy | (noun) a power of attorney document given by shareholders of a corporation authorizing a specific vote on their behalf at a corporate meeting | - |
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(noun) a person authorized to act for another | Synonyms: placeholder, procurator |