micron

or mi·kron

[ mahy-kron ]

/ ˈmaɪ krɒn /

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

1880–85; <Greek mīkrón a little, noun use of neuter singular of mīkrós small; see -on¹

Words nearby micron

micromotion, micromount, micromyelia, micromyeloblast, micromyeloblastic leukemia, micron, micronation, Micronesia, Micronesian, micronize, micronodular

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for micron

Most of the particles generated by burning wood are smaller than one micron—a size believed to be most damaging to our lungs.
The Fireplace Delusion: A Metaphor for Religious Belief|Sam Harris|February 3, 2012|DAILY BEAST
But with the destruction of the planet an almost certainty, the collective nervous system was just one micron away from explosion.
Alien Offer|Al Sevcik
The man who studies bacteria measures by the micron, 25,000 of which go to the inch.
Rustic Sounds|Francis Darwin
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 Management|Helen Kinne

This unit is the one-thousandth part of a millimeter and is called the micro-millimeter or micron.
The Fundamentals of Bacteriology|Charles Bradfield Morrey

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

Scientific definitions for micron

micron

[ mī′krŏn′ ]

See micrometer2.

单词	micron
释义	micron or mi·kron [ mahy-kron ] / ˈmaɪ krɒn / 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 1880–85; <Greek mīkrón a little, noun use of neuter singular of mīkrós small; see -on¹ Words nearby micron micromotion, micromount, micromyelia, micromyeloblast, micromyeloblastic leukemia, micron, micronation, Micronesia, Micronesian, micronize, micronodular Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for micron Most of the particles generated by burning wood are smaller than one micron—a size believed to be most damaging to our lungs. The Fireplace Delusion: A Metaphor for Religious Belief\|Sam Harris\|February 3, 2012\|DAILY BEAST But with the destruction of the planet an almost certainty, the collective nervous system was just one micron away from explosion. Alien Offer\|Al Sevcik The man who studies bacteria measures by the micron, 25,000 of which go to the inch. Rustic Sounds\|Francis Darwin 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 Management\|Helen Kinne This unit is the one-thousandth part of a millimeter and is called the micro-millimeter or micron. The Fundamentals of Bacteriology\|Charles Bradfield Morrey 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.
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