[ ek-spoh-nen-shee-ey-shuh n, -spuh- ]
/ ˌɛk spoʊˌnɛn ʃiˈeɪ ʃən, -spə- /

noun Mathematics.

the raising of a number to any given power.

Origin of exponentiation

1900–05; exponenti(al) + -ation, on model of substantiation, differentiation, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for exponentiation

[ ĕk′spə-nĕn′shē-āshən ]

The act of raising a quantity to a power.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.