vigesimal Hear it!

vigesimal definition

vi·gesi·mal (vī jes′ə məl, -jez′-)

adjective

of or based on the number twenty

Etymology: < L vigesimus, var. of vicesimus < viceni, twenty each

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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