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.
Now, the Würzburg team has bypassed that barrier using optical antennas to create a 300 by 300 nanometer pixel — about one-millionth of a millimeter. Neetika Walter, Interesting Engineering, 24 Oct. 2025 In that scheme, nanometers-thick layers of polycrystalline diamond would be integrated within the dielectric layers above the transistors to spread heat. IEEE Spectrum, 20 Oct. 2025 Rare earths are vital for chip assembly and the new regulations pointedly state that government export licenses are now required for any rare earths used in semiconductor manufacturing or testing equipment, including sub-14-nanometer chips, or high-spec memory chips. Charlie Campbell, Time, 16 Oct. 2025 After the mirror is painstakingly removed from its mount, engineers check for particles and chemically strip away the old layer of aluminum before adding a shiny new layer just 80 nanometers thick, a thousand times thinner than a human hair. Kenna Hughes-Castleberry, Space.com, 6 Oct. 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

Browse Nearby Words

Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 30 Oct. 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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