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 The doctor who operated on her told her parents the rope which cut into her leg stopped three millimeters away from an artery. Lori Riley, Hartford Courant, 13 July 2024 These particles are between about half a millimeter and 2 millimeters in size – roughly as thick as a penny. David R. Montgomery, Discover Magazine, 12 July 2024 On Vaca Key, south of Key Largo, sea level rise averaged 4.21 millimeters a year since 1971, equivalent to a rise of 1.38 feet in 100 years. Dinah Voyles Pulver, USA TODAY, 10 July 2024 The company also demonstrated a custom chip that handled an even larger logical qubit, while only occupying a tiny fraction of a square millimeter and consuming just 8 milliwatts of power. John Timmer, Ars Technica, 9 July 2024 See all Example Sentences for millimeter 

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 26 Jul. 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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