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exponent 音标拼音: ['ɛksp ,onənt] n. 指数
n. 说明者,说明物
a. 说明的 指数说明者,说明物说明的 exponent指数 Eexponent指数 exponent n 1: a person who pleads for a cause or propounds an idea [ synonym: { advocate}, { advocator}, { proponent}, { exponent}] 2: someone who expounds and interprets or explains 3: a mathematical notation indicating the number of times a quantity is multiplied by itself [ synonym: { exponent}, { power}, { index}] Exponent \ Ex* po" nent\, n. [ L. exponens, - entis, p. pr. of exponere to put out, set forth, expose. See { Expound}.] 1. ( Alg.) A number, letter, or any quantity written on the right hand of and above another quantity, and denoting how many times the latter is repeated as a factor to produce the power indicated; Note: thus a^{ 2} denotes the second power, and a^{ x} the xth power, of a ( 2 and x being the exponents). A fractional exponent, or index, is used to denote the root of a quantity. Thus, a^{ 1/ 3} denotes the third or cube root of a. [ 1913 Webster] 2. One who, or that which, stands as an index or representative; as, the leader of a party is the exponent of its principles. [ 1913 Webster] 3. one who explains, expounds, or interprets. [ PJC] { Exponent of a ratio}, the quotient arising when the antecedent is divided by the consequent; thus, 6 is the exponent of the ratio of 30 to 5. [ R.] [ 1913 Webster] 128 Moby Thesaurus words for " exponent": Maecenas, abettor, admirer, advocate, aficionado, allegorist, alter ego, alternate, amicus curiae, angel, annotator, apologist, attorney, backer, backup, backup man, booster, buff, case, case in point, champion, cicerone, clarifier, commentator, critic, cross section, cryptanalyst, cryptographer, cryptologist, decoder, defender, definer, demonstration, demonstrator, demythologizer, dependence, deputy, diaskeuast, dragoman, dummy, editor, emblem, embodiment, emendator, emender, encourager, endorser, euhemerist, example, executive officer, exegesist, exegete, exegetist, exemplar, exemplification, explainer, explanation, explicator, expositor, expounder, fan, favorer, figurehead, friend at court, go- between, guide, hermeneut, illustration, instance, interpreter, lexicographer, lieutenant, locum, locum tenens, lover, mainstay, maintainer, metaphrast, object lesson, oneirocritic, paranymph, paraphrast, partisan, patron, pinch hitter, pleader, procurator, promoter, proponent, protagonist, proxy, relevant instance, reliance, representation, representative, scholiast, second, second in command, secondary, seconder, sectary, sider, specimen, sponsor, stalwart, stand- in, standby, substitute, support, supporter, surrogate, sustainer, symbol, sympathizer, textual critic, translator, type, typical example, typification, understudy, upholder, utility man, vicar, vicar general, vice, vicegerent, votary, well- wisher
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