nanometer

noun

nano·​me·​ter ˈna-nə-ˌmē-tər How to pronounce nanometer (audio)
: one billionth of a meter

Examples of nanometer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For two different transitions, the researchers measured displacements of about 240 ± 16 nanometers and 463 ± 20 nanometers, closely matching their theoretical predictions of roughly 232 and 464 nanometers. — Rupendra Brahambhatt, Interesting Engineering, 30 Aug. 2026 That name was an umbrella designation for several 3-nanometer nodes and variants. — Brian Westover, PC Magazine, 25 Aug. 2026 Assa paired that control with a wavelength of 2,910 nanometers, the point where water in skin absorbs energy most efficiently. — Lyssanoel Frater, USA Today, 17 Aug. 2026 Vortex structures At 416 nanometers, the solar surface is dominated by granules, the convection cells that carry heat from the interior. — Jacek Krywko, ArsTechnica, 7 Aug. 2026 See All Example Sentences for nanometer

Word History

Etymology

International Scientific Vocabulary

First Known Use

1963, in the meaning defined above

Time Traveler
The first known use of nanometer was in 1963

Rhymes for nanometer

See All Rhymes for nanometer

Browse Nearby Words

nanomachine
nanometer
Nanook
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Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 1 Sep. 2026.

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Kids Definition

nanometer

noun
nano·​meter
ˈnan-ə-ˌmēt-ər
: one billionth of a meter

Medical Definition

nanometer

noun
nano·​me·​ter
variants or chiefly British nanometre
ˈnan-ə-ˌmēt-ər How to pronounce nanometer (audio)
: one billionth of a meter
—abbreviation nm
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