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单词 exponent
释义

WordReference Random House Learner's Dictionary of American English © 2024
ex•po•nent /ɪkˈspoʊnənt/USA pronunciation   n. [countable]
  1. a person or thing that supports or explains a cause:The congressman is a leading exponent of free trade.
  2. a person or thing that is a representative, advocate, or symbol of something:an exponent of the new Europe.
  3. Mathematicsa mathematical symbol or number placed above and after another symbol or number to denote the power to which the latter is to be raised.
ex•po•nen•tial /ˌɛkspəˈnɛnʃəl/USA pronunciation  adj. 
ex•po•nen•tial•ly, adv. See -pon-.

WordReference Random House Unabridged Dictionary of American English © 2024
ex•po•nent  (ik spōnənt or, esp. for 3, ekspō nənt),USA pronunciation n. 
  1. a person or thing that expounds, explains, or interprets:an exponent of modern theory in the arts.
  2. a person or thing that is a representative, advocate, type, or symbol of something:Lincoln is an exponent of American democracy.
  3. Mathematicsa symbol or number placed above and after another symbol or number to denote the power to which the latter is to be raised:The exponents of the quantities xn, 2m, y4, and 35 are, respectively, n, m, 4, and 5.
  • Latin expōnent- (stem of expōnēns), present participle of expōnere to expound; see -ent
  • 1575–85
    • 1.See corresponding entry in Unabridged supporter, champion, proponent, promoter.
    • 2.See corresponding entry in Unabridged embodiment, personification.

Collins Concise English Dictionary © HarperCollins Publishers::
exponent /ɪkˈspəʊnənt/ n
  1. (usually followed by of) a person or thing that acts as an advocate (of an idea, cause, etc)
  2. a person or thing that explains or interprets
  3. a performer or interpretive artist, esp a musician

  4. Also called: power, index a number or variable placed as a superscript to the right of another number or quantity indicating the number of times the number or quantity is to be multiplied by itself
adj
  1. offering a declaration, explanation, or interpretation
Etymology: 16th Century: from Latin expōnere to set out, expound, from pōnere to set, place
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