millimeter

noun

mil·​li·​me·​ter ˈmi-lə-ˌmē-tər How to pronounce millimeter (audio)
variants US millimeter or British millimetre
: a unit of length equal to ¹/₁₀₀₀ meter see Metric System Table

Examples of millimeter in a Sentence

Recent Examples on the Web However, such elements are also physically much bigger, typically 1 to 2 square millimeters in size, Govind says. IEEE Spectrum, 8 Mar. 2024 Worse still, over 3,700 square kilometers (1,400 square miles) are sinking more than 5 millimeters each year. Matt Simon, WIRED, 6 Mar. 2024 This supplemental unlocks $6 billion for our sub capacity to build subs, $5 billion to produce 155 millimeter howitzer rounds, and everything in between, javelins, stingers, tomahawks. CBS News, 3 Mar. 2024 The bullet hit a rib, landing millimeters from his lung. The Kansas City Star, Kansas City Star, 17 Feb. 2024 Another research group previously proposed that the smallest body size that is physiologically possible for vertebrates is just above 6 millimeters in length (ref). Grrlscientist, Forbes, 17 Feb. 2024 The newfound, brown-colored creatures are extremely diminutive in size, measuring less than a millimeter wide, researchers said. Brendan Rascius, Miami Herald, 27 Feb. 2024 The city sees subsidence of about 4 millimeters per year. Caitlin O'Kane, CBS News, 21 Feb. 2024 The Zenfone is a couple of millimeters narrower and just half a millimeter shorter than the S24 — meanwhile, the Galaxy S24’s 6.2-inch screen is appreciably bigger. Allison Johnson, The Verge, 20 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'millimeter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

French millimètre, from milli- + mètre meter

First Known Use

1797, in the meaning defined above

Time Traveler
The first known use of millimeter was in 1797

Dictionary Entries Near millimeter

Cite this Entry

“Millimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millimeter. Accessed 19 Mar. 2024.

Kids Definition

millimeter

noun
mil·​li·​me·​ter ˈmil-ə-ˌmēt-ər How to pronounce millimeter (audio)
: a measure of length equal to ¹⁄₁₀₀₀ meter see metric system table

Medical Definition

millimeter

noun
mil·​li·​me·​ter
variants or chiefly British millimetre
: one thousandth of a meter
abbreviation mm

More from Merriam-Webster on millimeter

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