[ek-spoh-nen-shee-ey-shuhn, -spuh-]
noun Mathematics.
the raising of a number to any given power.

1900–05; exponenti(al) + -ation, on model of substantiation, differentiation, etc.

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exponentiation   (ěk'spə-něn'shē-ā'shən)  Pronunciation Key 
The act of raising a quantity to a power.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The exponentiation step is done to transform the coefficients from the semi log form to a linear form before adjusting the price.
Exponent in exponentiation must be integer or floating point.
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