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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The rumor mill is divided on whether these SoCs will be built on TSMC's 2-nanometer chips. PC Magazine, 9 Sep. 2025 During this process, hydrogen gas was released, and defect-free nanodiamonds up to ~10 nanometers in diameter formed. Christopher McFadden, Interesting Engineering, 7 Sep. 2025 The campus in question houses technology as advanced as the 16-nanometer process, which first became commercially available more than a decade ago. Emma Burleigh, Fortune, 3 Sep. 2025 Red-light therapy devices for hair growth are some of the most promising noninvasive tools for targeting hair loss, with research showing that wavelengths around 650 nanometers can stimulate follicles, increase blood flow, and energize scalp cells. Malia Griggs, Glamour, 25 Aug. 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 14 Sep. 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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