microsecond

[ mahy-kruh-sek-uh nd ]
/ ˈmaɪ krəˌsɛk ənd /

noun

a unit of time equal to one millionth of a second. Symbol: μsec

Origin of microsecond

First recorded in 1905–10; micro- + second2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for microsecond

microsecond

/ (ˈmaɪkrəʊˌsɛkənd) /

noun

one millionth of a secondSymbol: μs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for microsecond

microsecond


n.

1906, from micro- + second (n.).

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for microsecond

microsecond

[ mīkrō-sĕk′ənd ]

A unit of time equal to one millionth (10-6) of a second.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.