| preceptor | (noun) teacher at a university or college (especially at Cambridge or Oxford) | Synonyms: don |
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| preceptorship | (noun) the position of preceptor | - |
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| precess | (verb) move in a gyrating fashion | - |
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| precession | (noun) the act of preceding in time or order or rank (as in a ceremony) | Synonyms: precedence, precedency |
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| (noun) the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone | - |
| prechlorination | (noun) chlorination prior to another chemical process | - |
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| precinct | (noun) a district of a city or town marked out for administrative purposes | - |
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| preciosity | (noun) the quality of being fastidious or excessively refined | Synonyms: preciousness |
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| precious | (adjective) obviously contrived to charm | Synonyms: cute |
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| (adjective) characterized by feeling or showing fond affection for | Synonyms: cherished, treasured, wanted |
| (adjective) of high worth or cost | - |
| (adjective) held in great esteem for admirable qualities especially of an intrinsic nature | Synonyms: valued |
| (adverb) very | Synonyms: preciously |
| preciously | (adverb) very | Synonyms: precious |
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| preciousness | (noun) the positive quality of being precious and beyond value | Synonyms: invaluableness, pricelessness, valuableness |
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| (noun) the quality of being fastidious or excessively refined | Synonyms: preciosity |
| (noun) the quality possessed by something with a great price or value | Synonyms: costliness, dearness |
| precipice | (noun) a very steep cliff | - |
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| precipitance | (noun) the quality of happening with headlong haste or without warning | Synonyms: abruptness, precipitancy, precipitateness, precipitousness, suddenness |
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| precipitancy | (noun) the quality of happening with headlong haste or without warning | Synonyms: abruptness, precipitance, precipitateness, precipitousness, suddenness |
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| precipitant | (adjective) done with very great haste and without due deliberation | Synonyms: hasty, overhasty, precipitate, precipitous |
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| (noun) an agent that causes a precipitate to form | - |
| precipitate | (adjective) done with very great haste and without due deliberation | Synonyms: hasty, overhasty, precipitant, precipitous |
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| (noun) a precipitated solid substance in suspension or after settling or filtering | - |
| (verb) separate as a fine suspension of solid particles | - |
| (verb) hurl or throw violently | - |
| (verb) bring about abruptly | - |
| (verb) fall vertically, sharply, or headlong | - |
| (verb) fall from clouds | Synonyms: come down, fall |
| precipitately | (adverb) at breakneck speed | Synonyms: headlong |
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| precipitateness | (noun) the quality of happening with headlong haste or without warning | Synonyms: abruptness, precipitance, precipitancy, precipitousness, suddenness |
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| precipitating | (adjective) bringing on suddenly or abruptly | - |
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| precipitation | (noun) an unexpected acceleration or hastening | - |
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| (noun) overly eager speed (and possible carelessness) | Synonyms: haste, hastiness, hurriedness, hurry |
| (noun) the act of casting down or falling headlong from a height | - |
| (noun) the falling to earth of any form of water (rain or snow or hail or sleet or mist) | Synonyms: downfall |
| (noun) the process of forming a chemical precipitate | - |
| (noun) the quantity of water falling to earth at a specific place within a specified period of time | - |
| precipitator | (noun) removes dust particles from gases by electrostatic precipitation | Synonyms: Cottrell precipitator, electrostatic precipitator |
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| precipitin | (noun) an antibody that causes precipitation when it unites with its antigen | - |
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| precipitous | (adjective) done with very great haste and without due deliberation | Synonyms: hasty, overhasty, precipitant, precipitate |
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| (adjective) dangerously steep | Synonyms: abrupt, sharp |
| precipitously | (adverb) abruptly; in a precipitous manner | - |
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| (adverb) very suddenly and to a great degree | Synonyms: sharply |
| precipitousness | (noun) the property possessed by a slope that is very steep | Synonyms: abruptness, steepness |
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| (noun) the quality of happening with headlong haste or without warning | Synonyms: abruptness, precipitance, precipitancy, precipitateness, suddenness |
| precis | (noun) a sketchy summary of the main points of an argument or theory | Synonyms: abstract, outline, synopsis |
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| (verb) make a summary (of) | - |
| precise | (adjective) sharply exact or accurate or delimited | - |
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| (adjective) (of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct | Synonyms: accurate, exact |
| precisely | (adverb) indicating exactness or preciseness | Synonyms: exactly, just, properly |
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| (adverb) in a precise manner | Synonyms: exactly, incisively |
| (adverb) just as it should be | Synonyms: exactly, on the button, on the dot, on the nose |
| preciseness | (noun) the quality of being reproducible in amount or performance | Synonyms: precision |
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| (noun) clarity as a consequence of precision | Synonyms: clearcutness |
| precision | (noun) the quality of being reproducible in amount or performance | Synonyms: preciseness |
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| preclinical | (adjective) of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared | Synonyms: presymptomatic |
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| preclude | (verb) keep from happening or arising; make impossible | Synonyms: forbid, foreclose, forestall, prevent |
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| (verb) make impossible, especially beforehand | Synonyms: close out, rule out |
| preclusion | (noun) the act of preventing something by anticipating and disposing of it effectively | Synonyms: forestalling, obviation |
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| preclusive | (adjective) made impossible | Synonyms: obviating |
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| precocial | (adjective) (of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days | - |
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| precocious | (adjective) characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude) | - |
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| (adjective) appearing or developing early | - |
| precociously | (adverb) in a precocious manner | - |
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| precociousness | (noun) intelligence achieved far ahead of normal developmental schedules | Synonyms: precocity |
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| precocity | (noun) intelligence achieved far ahead of normal developmental schedules | Synonyms: precociousness |
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| precognition | (noun) knowledge of an event before it occurs | Synonyms: foreknowledge |
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| precognitive | (adjective) foreseeing the future | Synonyms: clairvoyant, second-sighted |
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| preconceive | (verb) conceive beforehand | - |
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| preconceived | (adjective) (of an idea or opinion) formed beforehand; especially without evidence or through prejudice | - |
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| preconception | (noun) an opinion formed beforehand without adequate evidence | Synonyms: parti pris, preconceived idea, preconceived notion, preconceived opinion, prepossession |
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| (noun) a partiality that prevents objective consideration of an issue or situation | Synonyms: bias, prejudice |
| preconcerted | (adjective) previously arranged or agreed on | - |
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| precondition | (noun) a condition that is a prerequisite | - |
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| (noun) an assumption that is taken for granted | Synonyms: given, presumption |
| (noun) an assumption on which rests the validity or effect of something else | Synonyms: condition, stipulation |
| (verb) put into the required condition beforehand | - |
| preconditioned | (adjective) having already been put into a suitable condition | - |
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| precook | (verb) cook beforehand so that the actual preparation won't take long | - |
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| precooked | (adjective) cooked partially or completely beforehand | - |
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| precooled | (adjective) cooled in advance | - |
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| precordial | (adjective) in front of the heart; involving the precordium | - |
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| precordium | (noun) the external surface of the body overlying the heart and stomach | - |
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| precursor | (noun) something that precedes and indicates the approach of something or someone | Synonyms: forerunner, harbinger, herald, predecessor |
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| (noun) a person who goes before or announces the coming of another | Synonyms: forerunner |
| (noun) a substance from which another substance is formed (especially by a metabolic reaction) | - |
| precursory | (adjective) warning of future misfortune | Synonyms: premonitory |
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| predaceous | (adjective) living by or given to victimizing others for personal gain | Synonyms: predacious, predatory |
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| (adjective) hunting and killing other animals for food | Synonyms: predacious |
| predaceousness | (noun) (of an animal, usually a bird) The quality of subsisting off live prey. | Synonyms: predaciousness, rapaciousness, rapacity |
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| predacious | (adjective) living by or given to victimizing others for personal gain | Synonyms: predaceous, predatory |
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| (adjective) hunting and killing other animals for food | Synonyms: predaceous |
| predaciousness | (noun) (of an animal, usually a bird) The quality of subsisting off live prey. | Synonyms: predaceousness, rapaciousness, rapacity |
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| predate | (verb) establish something as being earlier relative to something else | Synonyms: antedate, foredate |
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| (verb) be earlier in time; go back further | Synonyms: antecede, antedate, forego, forgo, precede |
| (verb) come before | Synonyms: precede |
| (verb) prey on or hunt for | Synonyms: prey, raven |
| predation | (noun) the act of preying by a predator who kills and eats the prey | - |
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| (noun) an act of plundering and pillaging and marauding | Synonyms: depredation |
| predator | (noun) any animal that lives by preying on other animals | Synonyms: predatory animal |
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| (noun) someone who attacks in search of booty | Synonyms: marauder, piranha, vulture |
| predatory | (adjective) living by or given to victimizing others for personal gain | Synonyms: predaceous, predacious |
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| (adjective) living by preying on other animals especially by catching living prey | Synonyms: rapacious, raptorial, ravening, vulturine, vulturous |
| (adjective) characterized by plundering or pillaging or marauding | Synonyms: marauding, raiding |
| predecease | (verb) die before; die earlier than | - |
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| predecessor | (noun) something that precedes and indicates the approach of something or someone | Synonyms: forerunner, harbinger, herald, precursor |
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| (noun) one who precedes you in time (as in holding a position or office) | - |
| predestinarian | (adjective) of or relating to predestination; holding the doctrine of predestination | - |
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| (noun) anyone who submits to the belief that they are powerless to change their destiny | Synonyms: determinist, fatalist, predestinationist |
| predestinarianism | (noun) the belief or doctrine of predestinarians | - |
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| predestinate | (adjective) established or prearranged unalterably | Synonyms: foreordained, predestined |
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| (verb) foreordain by divine will or decree | Synonyms: foreordain, predestine |
| predestination | (noun) (theology) being determined in advance; especially the doctrine (usually associated with Calvin) that God has foreordained every event throughout eternity (including the final salvation of mankind) | Synonyms: foreordination, predetermination, preordination |
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| (noun) previous determination as if by destiny or fate | - |
| predestinationist | (noun) anyone who submits to the belief that they are powerless to change their destiny | Synonyms: determinist, fatalist, predestinarian |
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| predestine | (verb) foreordain or determine beforehand | Synonyms: foreordain, preordain |
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| (verb) foreordain by divine will or decree | Synonyms: foreordain, predestinate |
| (verb) decree or determine beforehand | - |
| predestined | (adjective) established or prearranged unalterably | Synonyms: foreordained, predestinate |
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| predetermination | (noun) the act of determining or ordaining in advance what is to take place | - |
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| (noun) a mental determination or resolve in advance; an antecedent intention to do something | - |
| (noun) (theology) being determined in advance; especially the doctrine (usually associated with Calvin) that God has foreordained every event throughout eternity (including the final salvation of mankind) | Synonyms: foreordination, predestination, preordination |
| predetermine | (verb) determine beforehand | - |
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| (verb) cause to be biased | Synonyms: bias |
| predetermined | (adjective) set in advance | Synonyms: preset |
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| predicament | (noun) a situation from which extrication is difficult especially an unpleasant or trying one | Synonyms: plight, quandary |
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| predicate | (noun) one of the two main constituents of a sentence; the predicate contains the verb and its complements | Synonyms: verb phrase |
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| (noun) (logic) what is predicated of the subject of a proposition; the second term in a proposition is predicated of the first term by means of the copula | - |
| (verb) affirm or declare as an attribute or quality of | Synonyms: proclaim |
| (verb) involve as a necessary condition of consequence; as in logic | Synonyms: connote |
| (verb) make the (grammatical) predicate in a proposition | - |
| predication | (noun) (logic) a declaration of something self-evident; something that can be assumed as the basis for argument | Synonyms: postulation |
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| predicative | (adjective) of adjectives; relating to or occurring within the predicate of a sentence | - |
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| predicatively | (adverb) occurring within the predicate phrase | - |
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| predicator | (noun) an expression that predicates | - |
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| predict | (verb) make a prediction about; tell in advance | Synonyms: anticipate, call, forebode, foretell, prognosticate, promise |
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| (verb) indicate, as with a sign or an omen | Synonyms: augur, auspicate, betoken, bode, forecast, foreshadow, foretell, omen, portend, prefigure, presage, prognosticate |
| predictability | (noun) the quality of being predictable | - |
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| predictable | (adjective) capable of being foretold | - |
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| predictably | (adverb) in a predictable manner or to a predictable degree | - |
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| prediction | (noun) the act of predicting (as by reasoning about the future) | Synonyms: anticipation, prevision |
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| (noun) a statement made about the future | Synonyms: forecasting, foretelling, prognostication |
| predictive | (adjective) of or relating to prediction; having value for making predictions | Synonyms: prognostic, prognosticative |
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| predictor | (noun) a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival | - |
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| (noun) information that supports a probabilistic estimate of future events | - |
| (noun) someone who makes predictions of the future (usually on the basis of special knowledge) | Synonyms: forecaster, prognosticator, soothsayer |
| predigest | (verb) digest (food) beforehand | - |
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| predigested | (adjective) artificially partially digested as by enzymatic action | - |
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| predilection | (noun) a predisposition in favor of something | Synonyms: orientation, preference |
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| (noun) a strong liking | Synonyms: penchant, preference, taste |
| predispose | (verb) make susceptible | - |
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| predisposed | (adjective) made susceptible | - |
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| predisposition | (noun) a disposition in advance to react in a particular way | - |
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| (noun) an inclination beforehand to interpret statements in a particular way | - |
| (noun) susceptibility to a pathogen | Synonyms: sensitivity |
| prednisolone | (noun) a glucocorticoid (trade names Pediapred or Prelone) used to treat inflammatory conditions | Synonyms: Pediapred, Prelone |
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| prednisone | (noun) a dehydrogenated analogue of cortisol (trade names Orasone or Deltasone or Liquid Pred or Meticorten); used as an anti-inflammatory drug in the treatment of arthritis and as an immunosuppressant | Synonyms: Deltasone, Liquid Pred, Meticorten, Orasone |
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| predominance | (noun) the quality of being more noticeable than anything else | Synonyms: predomination |
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| (noun) the state of being predominant over others | Synonyms: predomination, prepotency |
| predominant | (adjective) having superior power and influence | Synonyms: overriding, paramount, predominate, preponderant, preponderating |
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| (adjective) most frequent or common | Synonyms: dominant, prevailing, prevalent, rife |
| predominantly | (adverb) much greater in number or influence | Synonyms: preponderantly |
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| predominate | (adjective) having superior power and influence | Synonyms: overriding, paramount, predominant, preponderant, preponderating |
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| (verb) be larger in number, quantity, power, status or importance | Synonyms: dominate, prevail, reign, rule |
| (verb) appear very large or occupy a commanding position | Synonyms: hulk, loom, tower |
| predomination | (noun) the quality of being more noticeable than anything else | Synonyms: predominance |
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| (noun) the state of being predominant over others | Synonyms: predominance, prepotency |
| preeclampsia | (noun) abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated | Synonyms: pre-eclampsia |
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