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.
If a product page won’t list nanometers, that’s your first signal to keep scrolling. — Allison Palmer updated June 24, Miami Herald, 24 June 2026 If a product page doesn’t list wavelengths in nanometers, that’s your first signal to keep scrolling. — Allison Palmer updated June 24, Kansas City Star, 24 June 2026 This architecture itself contains a stack of nanometers-thick silicon sheets through which current flows. — IEEE Spectrum, 25 June 2026 Physicists further categorize solar UV light into several types, based on the wavelength, which is measured in nanometers. — Guy German, Fortune, 21 June 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
nanoparticle
See all Nearby Words

Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 7 Jul. 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

More from Merriam-Webster on nanometer

Nglish: Translation of nanometer for Spanish Speakers

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