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
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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 Scented wax melts produced three times more nanoparticles than candles, reaching similar levels of nanoparticles three nanometers or smaller as indoor stoves and diesel engines. Simon Spichak, Health, 5 Mar. 2025 Many devices emit red light with wavelengths between 630 and 700 nanometers. Melinda Wenner Moyer, New York Times, 20 Jan. 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 13 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

More from Merriam-Webster on nanometer

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