nonillion Hear it!

nonillion definition

no·nil·lion (nō nil′yən)

noun

  1. ☆ the number represented by 1 followed by 30 zeros
  2. Brit. the number represented by 1 followed by 54 zeros

Etymology: Fr < L nonus, ninth (see noon) + Fr (m)illion

adjective

amounting to one nonillion 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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