英语词汇“theory”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	theory
释义	the·o·ry \ˈthēərē, ˈthi(ə)r-, -ri sometimes ˈthēr-\ noun (-es) Etymology: Late Latin theoria, from Greek theōria act of viewing, contemplation, consideration, theory, from theōrein to look at, behold, contemplate, consider + -ia -y — more at theorem 1. archaic : imaginative contemplation of reality : direct intellectual apprehension : insight < nor can I think I have the true theory of death when I contemplate a skull — Sir Thomas Browne > 2. a. : a belief, policy, or procedure proposed or followed as the basis of action : a principle or plan of action < educational system, based on the theory that men learn better from actual experience than from books — American Guide Series: Michigan > < wanted to kill him, presumably on the theory that dead men tell no tales — D.D.Martin > < the hedonistic theory of ethics > b. : an ideal or hypothetical set of facts, principles, or circumstances < the days when law and order was more of a theory than a fact — Seth Agnew > — often used in the phrase in theory < the failure in practice of what looked so promising in theory > 3. a. (1) : the body of generalizations and principles developed in association with practice in a field of activity (as medicine, music) and forming its content as an intellectual discipline : pure as distinguished from applied art or science < spent two years … in the study of theory and piano — W.T.Upton > < made a distinct contribution to museum theory and practice — R.F.Bach > (2) : the coherent set of hypothetical, conceptual, and pragmatic principles forming the general frame of reference for a field of inquiry (as for deducing principles, formulating hypotheses for testing, undertaking actions) < the importance of theory if research is to be significant and its findings are to be cumulative — Pendleton Herring > < anthropological theory > < contributions to the theory of knowledge > (3) : a body of mathematical theorems presenting a clear, rounded, and systematic view of a subject < theory of equations > < theory of probability > — see theory of numbers b. : abstract knowledge < necessary … in designing retaining walls to be guided by experience rather than by theory — G.T.Snelling > < the period of transition from theory to practice in the study of shorthand — J.R.Gregg > c. (1) : a field of intellectual inquiry < literary critics badly need the sort of foundation that such … inquiries as theory of signs and theory of value could give them — P.B.Rice > (2) : a systematic analysis, elucidation, or definition of a concept < study the philosophers' conflicting theories of right > — see coherence theory 4. : a judgment, conception, proposition, or formula (as relating to the nature, action, cause, or origin of a phenomenon or group of phenomena) formed by speculation or deduction or by abstraction and generalization from facts < her theory of the relationship of order to disorder in the language of poetry — Archibald MacLeish > < the wave theory of light > < the theory that the individual recapitulates the development of the race > < the gesture theory of the origin of language > < the emotive theory of value judgments > as a. : a hypothetical entity or structure explaining or relating an observed set of facts < the Freudian theory of the superego > < the Greek theory of the atom > b. : a working hypothesis given probability by experimental evidence or by factual or conceptual analysis but not conclusively established or accepted as a law < the theory of relativity > < the theory that compounds in dilute solutions obey the same laws that apply to gases > < the theory of radioactive decay > < a theory of exchange rates which is merely a special case of the general theory of exchange and markets — K.E.Boulding > 5. : something taken for granted especially on trivial or inadequate grounds : conjecture, speculation, supposition < her theory that the house was once occupied by spies >
随便看	understand understandability understandable understandableness understandably understand each other understanded understander understanding understanding understandingly understandingness understands understate understated understatement understeer understock understocking understood understory understrapper understratum understrength understress

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