millimeter
noun
mil·li·me·ter
| \ ˈmi-lə-ˌmē-tər
\
\
variants:
US millimeter
or British millimetre
Definition of millimeter
: a unit of length equal to ¹/₁₀₀₀ meter — see Metric System Table
Examples of millimeter in a Sentence
Recent Examples on the Web
The three Samsung phones tested by the Tribune — the Galaxy S8, Galaxy S9 and Galaxy J3 — were positioned at 10 or 15 millimeters from the body, the distances chosen by the company in accordance with FCC guidelines. — Sam Roe, chicagotribune.com, "We tested popular cellphones for radiofrequency radiation. Now the FCC is investigating.," 21 Aug. 2019 There’s also a gel cushioning system that helps shock absorption during impact, and a midsole with 3 millimeters of additional height to relieve any tension in the Achilles. — Braelyn Wood, Health.com, "Reese Witherspoon Owns So Many Pairs of These Sneakers That She's Constantly Wearing Them," 23 July 2019 The vast majority of bots in use in warehouses and factories today are only able to perform rote tasks, planned in advance down to the millimeter. — James Vincent, The Verge, "Boston Dynamics prepares to launch its first commercial robot: Spot," 5 June 2019 Luhman essentially ruled out the existence of anything bigger and warmer than a gas giant with a 2014 analysis of infrared data, but physicists expect a smaller, colder Planet Nine to shine in the millimeter part of the spectrum. — Quanta Magazine, "Why Can’t We Find Planet Nine?," 3 July 2018 That means that a tiny spark of just 1 millimeter would be 3,000 volts. — Rhett Allain, WIRED, "The Physics of Falling Magnets in Stranger Things Season 3," 9 Aug. 2019 Tardigrades, which are no longer than 1 millimeter, live in water or in the film of water on plants like lichen or moss. — Cnn, The Mercury News, "Are tardigrades alive on the moon after spacecraft’s crash landing?," 7 Aug. 2019 Now able to print ultrafine details 0.02 millimeter across, the researchers printed a whole collagen heart equivalent to that of a newborn infant, complete with ventricles, veins and arteries. — Scientific American, "Fang Needles, Quantum Carpets and Tender Robot Touches," 2 Aug. 2019 In July specifically, Ruth Mottram of the Danish Meteorological Institute writes on Twitter, Greenland’s ice sheet lost 197 billion tons of water, or enough to raise sea levels by 0.5 millimeters over a one-month period. — Meilan Solly, Smithsonian, "Greenland Lost 12.5 Billion Tons of Ice in a Single Day," 1 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millimeter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for millimeter
millimeter
noun
English Language Learners Definition of millimeter
: a length equal to 1/1000 meter
See the full definition for millimeter in the English Language Learners Dictionary
millimeter
noun
mil·li·me·ter
| \ ˈmi-lə-ˌmē-tər
\
\
Kids Definition of millimeter
: a unit of length equal to 1/1000 meter
millimeter
noun
mil·li·me·ter
variants:
or chiefly British millimetre \ ˈmil-ə-ˌmēt-ər
\
\
Medical Definition of millimeter
: one thousandth of a meter
—abbreviation mm
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