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Meaning of zillion

zil•lion

Pronunciation: (zil'yun), [key]
— n., pl. adj. -lions, -lion,
—n.
  1. an extremely large, indeterminate number.
—adj.
  1. of, pertaining to, or amounting to a zillion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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