octillion Hear it!

octillion definition

oc·til·lion (äk til′yən)

noun

  1. ☆ the number represented by 1 followed by 27 zeros
  2. Brit. the number represented by 1 followed by 48 zeros

Etymology: Fr < L octo, eight + Fr (m)illion

adjective

amounting to one octillion in number

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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