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.
However, no one had directly examined fully strained films thinner than about four nanometers using techniques capable of measuring both the motion and spin of electrons at the same time. — Rupendra Brahambhatt, Interesting Engineering, 2 Aug. 2026 Due to their tiny size, roughly 4 nanometers across, quantum confinement breaks their energy levels into discrete steps rather than a continuous chunk. — Jacek Krywko, ArsTechnica, 31 July 2026 That substrate can only fit about 10,000 logic gates, where a modern 2- or 5-nanometer chip fits billions. — Jackie Snow, IEEE Spectrum, 30 July 2026 It is measured in nanometers and needs to have a wavelength of 365 to 400 nm to detect urine. — Bestreviews, Mercury News, 27 July 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

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Browse Nearby Words

nanomachine
nanometer
nanoparticle
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Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 5 Aug. 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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