mm
millimeter; millimeters.
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mm
1 American
mM
2
American
mm.
3
American
abbreviation
mm.
4
American
abbreviation
-
Music. measures.
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millimeter; millimeters.
MM.
5
American
abbreviation
M.M.
6
American
abbreviation
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Master Mason.
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Master Mechanic.
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Master of Music.
mm
1
British
symbol
abbreviation
mm
2
British
abbreviation
MM
3
British
abbreviation
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Military Medal
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the French equivalent of Messrs
mm
Scientific
Etymology
Origin of mm.
From the Latin word millia
Vocabulary lists containing mm
Scrabble: Two-Letter Words
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Scrabble: Words with no Vowels
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Our findings suggest the intensive <120 mm Hg target prevents more cardiovascular events and provides good value, and this holds true even when measurements aren't perfect."
From Science Daily • Apr. 16, 2026
The 600 mm rocket launchers, which have a purported range of around 260 miles, were cited as a top goal by Kim at a rare Workers’ Party meeting last month.
From The Wall Street Journal • Mar. 15, 2026
"By January 29, the Moscow State University Meteorological Observatory had recorded almost 92 mm of precipitation, which is already the highest value in the last 203 years," it added.
From Barron's • Jan. 29, 2026
It is thought 20-30 mm of rain could build quite quickly during this period, with 40-60mm possible over higher ground.
From BBC • Jan. 10, 2026
Your pencil—mechanical, size .7 mm graphite only—glides across the paper.
From "Legendary Frybread Drive-In" by Cynthia Leitich Smith
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
