microsecond

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

noun

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

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QUIZ TIME: TEST YOUR MEMORY OF THE MAY 2020 WORDS OF THE DAY

Let the aeolian gusts transport you back to these popular Words of the Day from the month of May. How many do you remember?
Question 1 of 10
Which of the following words means “to travel or journey, especially to walk on foot”?

Origin of microsecond

First recorded in 1905–10; micro- + second2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for microsecond

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

Scientific 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.