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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Developed by scientists from MIT and Germany's Friedrich-Alexander University, the flat hexagonal particles are each just 250 nanometers in width, and consist of a two-layer magnetostrictive core housed within a piezoelectric shell. Ben Coxworth, New Atlas, 21 Oct. 2024 For skin improvements, the ideal wavelength for red light is about 640 nanometers and about 830 nanometers for infrared light, Rogers says. Erica Sweeney, TIME, 8 Oct. 2024 One human hair varies from around 80,000 to 100,000 nanometers in thickness, making the smallest cutting-edge semiconductors invisible without special microscopes. Russ Wiles, The Arizona Republic, 24 Sep. 2024 Nanofibers are any fibrous material that are less than 100 nanometers (nm). Laura Baisas, Popular Science, 21 Nov. 2024 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

Dictionary Entries Near nanometer

Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 23 Dec. 2024.

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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