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.
One aspect of these models concerns particles within clouds, which are sometimes only nanometers wide, that need to be scaled up and measured across the surface of the Earth. Tom Brown, Space.com, 16 Mar. 2025 Berkeley Lab nanoparticle specialist Emory Chan says the new nanoparticles—which at tens of nanometers across are about the size of many features on modern microchips—could provide a similar switching behavior for optical systems. IEEE Spectrum, 13 Mar. 2025 Individual pixels were shrunk to 90 nanometers – about the size of a virus – and a record 127,000 of them were crammed into every inch of a display. Michael Irving, New Atlas, 30 Mar. 2025 Other studies on infrared light, which has a longer wavelength of at least 800 nanometers that penetrates deeper into the skin, suggest that there's potential for the treatment to speed up muscle recovery. Bailey Schulz, USA TODAY, 8 Mar. 2025 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

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Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 24 Apr. 2025.

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
: one billionth of a meter
abbreviation nm

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