mm

¹ American  

1. millimeter; millimeters.

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mM ² American  

1. millimole; millimoles.

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mm. ³ American  

abbreviation

1. thousands.

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mm. ⁴ American  

abbreviation

1. Music. measures.

2. millimeter; millimeters.

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MM. ⁵ American  

abbreviation

1. Messieurs.

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M.M. ⁶ American  

abbreviation

1. Master Mason.

2. Master Mechanic.

3. Master of Music.

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mm ¹ British  

symbol

1. millimetre

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abbreviation

1. mutatis mutandis

mm ² British  

abbreviation

1. Myanmar

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MM ³ British  

abbreviation

1. Military Medal

2. the French equivalent of Messrs

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mm Scientific  

1. Abbreviation of millimeter

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Etymology

Origin of mm.

From the Latin word millia

Example Sentences

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

Using this approach, the researchers determined that global sea level rose by about 90 mm between 1993 and 2022.

From Science Daily • Feb. 24, 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

An Associated Press story about 155 mm howitzers describes the artillery weapon as one of the most-requested munitions in the war in Ukraine.

From Los Angeles Times • Oct. 20, 2025

As a mm she would not be her own boss.

From "The Color Purple" by Alice Walker