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octillion
[ ok-til-yuhn ]
/ ɒkˈtɪl yən /
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noun, plural oc·til·lions, (as after a numeral) oc·til·lion.
a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros.
adjective
amounting to one octillion in number.
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Origin of octillion
OTHER WORDS FROM octillion
oc·til·lionth, noun, adjectiveWords nearby octillion
Octavius, octavo, octavus, octennial, octet, octillion, octo-, October, October Revolution, Octobrist, octocentenary
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for octillion
octillion
/ (ɒkˈtɪljən) /
noun
(in Britain and Germany) the number represented as one followed by 48 zeros (10 48)
(in the US, Canada, and France) the number represented as one followed by 27 zeros (10 27)
Derived forms of octillion
octillionth, adjectiveWord Origin for octillion
C17: from French, on the model of million
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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