millimeter
noun
mil·li·me·ter
ˈmi-lə-ˌmē-tər 
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
Several areas of Oman received over 230 millimeters, or about 9 inches, of rain between Sunday and Wednesday, according to the country’s National Committee for Emergency Management.
—
Yan Zhuang, New York Times, 17 Apr. 2024
There was a hole approximately 300 millimeters in diameter adjacent to where the license plate would have been.
—Cate Brown, Washington Post, 16 Apr. 2024
See all Example Sentences for millimeter 
Yan Zhuang, New York Times, 17 Apr. 2024
There was a hole approximately 300 millimeters in diameter adjacent to where the license plate would have been.
—Cate Brown, Washington Post, 16 Apr. 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.
Dictionary Entries Near millimeter
Cite this Entry
“Millimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millimeter. Accessed 4 May. 2024.
Copy CitationKids Definition
millimeter
noun
mil·li·me·ter
ˈmil-ə-ˌmēt-ər
: 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
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