exponent

[ik-spoh-nuhnt, ek-spoh-nuhnt]
noun
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.
Mathematics. a 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, y 4 , and 3 5 are, respectively, n, m, 4, and 5.

Origin:
1575–85; < Latin expōnent- (stem of expōnēns), present participle of expōnere to expound; see -ent


1. supporter, champion, proponent, promoter. 2. embodiment, personification.
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World English Dictionary
exponent (ɪkˈspəʊnənt)
 
n
1.  (usually foll 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.  maths power, Also called: 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
5.  offering a declaration, explanation, or interpretation
 
[C16: from Latin expōnere to set out, expound, from pōnere to set, place]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

exponent
1706, from L. exponentem, prp. of exponere "put forth" (see expound). A mathematical term at first; the sense of "one who expounds" is 1812.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
exponent   (ěk'spō'nənt, ĭk-spō'nənt)  Pronunciation Key 
A number or symbol, placed above and to the right of the expression to which it applies, that indicates the number of times the expression is used as a factor. For example, the exponent 3 in 53 indicates 5 × 5 × 5; the exponent x in (a + b)x indicates (a + b) multiplied by itself x times.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

exponent definition


A number placed above and to the right of another number to show that it has been raised to a power. For example, 32 indicates that 3 has been raised to a power of 2, or multiplied by itself; 32 is equal to 9.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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FOLDOC
Computing Dictionary

exponent definition

programming
(Or "characteristic") The part of a floating-point number specifying the power of ten by which the mantissa should be multiplied. In the common notation, e.g. 3.1E8, the exponent is 8.
(1995-02-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
The human mind is a direct exponent of the source of life.
Darwin could not have asked for a more talented exponent in the television age.
Now, however, there's only one known exponent who has the necessary patience
  and skill.
He was the most prominent exponent of the Gothic revival.
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