micron
or mi·kron
[ mahy-kron ]
/ ˈmaɪ krɒn /
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noun, plural mi·crons, mi·cra [mahy-kruh]. /ˈmaɪ krə/.
Also called micrometer. the millionth part of a meter. Symbol: μ, mu
Physical Chemistry. a colloidal particle whose diameter is between 0.2 and 10 microns.
Physics. a very small unit of pressure, equal to that exerted by a column of mercury 1μ high.
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Origin of micron
Words nearby micron
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for micron
British Dictionary definitions for micron
micron
/ (ˈmaɪkrɒn) /
noun plural -crons or -cra (-krə)
a unit of length equal to 10 –6 metre. It is being replaced by the micrometre, the equivalent SI unit
Word Origin for micron
C19: New Latin, from Greek mikros small
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
Medical definitions for micron
micron
n. pl. mi•crons
micrometer2
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for micron
micron
[ mī′krŏn′ ]
See micrometer2.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.