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millimeter

[ mil-uh-mee-ter ]
/ ˈmɪl əˌmi tər /
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noun
a unit of length equal to one thousandth of a meter and equivalent to 0.03937 inch. Abbreviation: mm
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Also especially British, mil·li·me·tre .

Origin of millimeter

First recorded in 1800–10; from French millimètre; see milli-, meter1

OTHER WORDS FROM millimeter

mil·li·met·ric [mil-uh-me-trik], /ˌmɪl əˈmɛ trɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use millimeter in a sentence

Scientific definitions for millimeter

millimeter
[ mĭlə-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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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