quadrillionth

Variant of quadrillion

quadrillion definition

quad·ril·lion (kwä dril′yən)

noun

  1. the number represented by 1 followed by 15 zeros
  2. Brit. the number represented by 1 followed by 24 zeros

Etymology: Fr < quadri- (see quadri-) + (mi)llion

adjective

amounting to one quadrillion in number

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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