micron
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mi·cron
also mi·kron (mī′krŏn′)n. pl. mi·crons or mi·cra (-krə) also mi·krons or mi·kra (-krə)
A unit of length equal to one thousandth (10-3) of a millimeter or one millionth (10-6) of a meter. Also called micrometer.
[From Greek mīkron, neuter of mīkros, small.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
micron
(ˈmaɪkrɒn)n, pl -crons or -cra (-krə)
(Units) a unit of length equal to 10–6 metre. It is being replaced by the micrometre, the equivalent SI unit
[C19: New Latin, from Greek mikros small]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
mi•cron
(ˈmaɪ krɒn)n., pl. -crons.
the millionth part of a meter. Also called micrometer. Symbol: μ, mu
[1880–85; < Greek mīkrón a little, n. use of neuter singular of mīkrós small; see -on1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
mi·cron
(mī′krŏn′) See micrometer2.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
micron
(μm) A unit of length equal to 1⁄1000 (0.001) mm. Also called the micrometer.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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| Noun | 1. | micron - a metric unit of length equal to one millionth of a meter metric linear unit - a linear unit of distance in metric terms micromillimeter, micromillimetre, millimicron, nanometer, nanometre, nm - a metric unit of length equal to one billionth of a meter |
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Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
micron
n → Mikron nt, → Mikrometer m or nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007