exponent

名词 n.
中文释义
英 /ɛkˈspəʊ.nənt/|/ˈɛk.spə.nənt/|/ɪkˈspəʊ.nənt/    美 /ɛkˈspoʊ.nənt/|/ˈɛk.spoʊ.nənt/|/ɛkˈspəʊ.nənt/|[ekˈspəʉ.nənt]

英文释义

名词 n.
  1. One who expounds, represents or advocates.
    — Like attracts like," explained Mrs. Mailey, who was quite as capable an exponent as her husband.
  2. The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 2³=8.
  3. The degree to which the root of a radicand is found, for example, the 2 in ^(2])√=b. obsolete
    — A Power that hath neither the Signs #43; or - before it, is look'd upon as Affirmative, and if it be preceded by a Number that contains the Root ſought and its Exponent may be commenſured by the Exponent of the Root; namely for the Square Root by 2, for the Cube by 3, &c. it will contain the Root ſought.
  4. A phonological manifestation of a morphosyntactic property; in layman's terms, the expression of one or more grammatical properties by sound.
    — However, there have been no examples presented of gender systems where the plain n triggers one exponent for gender agreement, and the male and female ns together trigger a different exponent.
  5. The part of a floating-point number that represents its exponent value.

词形变化

exponents plural

词汇关系

衍生词
critical exponent exponentiable exponential exponentiation exponent of inseparability lifting the exponent Lyapunov exponent preexponent pre-exponent
相关词
expone expose expound successor log(base) =
并列词
significand mantissa

词源

From Latin expōnēns, present participle of expōnō (“to expose; to exhibit, display, set out; to explain”), from ex- (“out, away”) + pōnō (“to lay, place, put”).
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