pico- Hear it!

pico- definition

pico- (pē′kō, pī′-; -kə)

one trillionth part of; the factor 10 picosecond

Etymology: prob. < It piccolo, small

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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