submillimeter
adjective
sub·mil·li·me·ter
ˌsəb-ˈmi-lə-ˌmē-tər 
: being less than a millimeter in diameter or wavelength
a submillimeter particle
a submillimeter radio wave
Examples of submillimeter in a Sentence
Recent Examples on the Web
In addition, some of the puzzle-piece-like parts of the vacuum vessel—intended to fit together with submillimeter precision—proved not to be manufactured as precisely as needed.
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Charles Seife, Scientific American, 15 June 2023
Charles Seife, Scientific American, 15 June 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'submillimeter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1954, in the meaning defined above
Dictionary Entries Near submillimeter
Cite this Entry
“Submillimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/submillimeter. Accessed 19 Apr. 2024.
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