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 smaller the nanometer number, the more transistors that can be fit into a chip, leading to a more powerful semiconductor. Arjun Kharpal, CNBC, 12 June 2025 But a feather’s smallest functional structures, called keratin filaments, go down to the nanometer scale. Ian Rose, Smithsonian Magazine, 10 June 2025 This technique uses a heated, needlelike tip to sculpt material at nanometer precision. Jordan King, MSNBC Newsweek, 6 June 2025 Look for devices that produce wavelengths between 600-900 nanometers. Sherri Gordon, Health, 3 June 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 4 Jul. 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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