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millimeter

[mil-uh-mee-ter] /ˈmɪl əˌmi tər/
noun
1.
a unit of length equal to one thousandth of a meter and equivalent to 0.03937 inch.
Abbreviation: mm.
Also, especially British, millimetre.
Origin
1800-1810
1800-10; < French millimètre. See milli-, meter1
Related forms
millimetric
[mil-uh-me-trik] /ˌmɪl əˈmɛ trɪk/ (Show IPA),
adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for millimetre

millimetre

/ˈmɪlɪˌmiːtə/
noun
1.
one thousandth of a metre mm
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
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Word Origin and History for millimetre
millimeter
1807, from Fr. millimetre; see milli- + meter.
Online Etymology Dictionary, © 2010 Douglas Harper
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millimetre in Medicine

millimeter mil·li·me·ter (mĭl'ə-mē'tər)
n.

Abbr. mm A unit of length equal to one thousandth (10-3) of a meter (0.0394 inch).

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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millimetre in Science
millimeter
  (mĭl'ə-mē'tər)   
A unit of length in the metric system equal to 0.001 meter. See Table at measurement.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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