micron
or mi·kron
[mahy-kron]
|
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.
Origin of micron
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for micron
Contemporary Examples of micron
Most of the particles generated by burning wood are smaller than one micron—a size believed to be most damaging to our lungs.
Historical Examples of micron
The man who studies bacteria measures by the micron, 25,000 of which go to the inch.
Rustic SoundsFrancis Darwin
But with the destruction of the planet an almost certainty, the collective nervous system was just one micron away from explosion.
Alien OfferAl Sevcik
This unit is the one-thousandth part of a millimeter and is called the micro-millimeter or micron.
The Fundamentals of BacteriologyCharles Bradfield Morrey
Their size is measured by the unit used in the microscope, called the micron, which is about 1⁄25000 of one inch.
Foods and Household ManagementHelen Kinne
micron
noun plural -crons or -cra (-krə)
Word Origin for micron
C19: New Latin, from Greek mikros small
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper
micron
n. pl. mi•crons
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
micron
[mī′krŏn′]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.