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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While this idea sparked an entire field of research, experiments were long limited by the difficulty of controlling and measuring objects just a nanometer across. Bojan Stojkovski, Interesting Engineering, 31 Jan. 2026 But now so strong is the demand, Cook said, that Apple is constrained in its ability to get enough of the advanced 3-nanometer chips that power the phones. Alexei Oreskovic, Fortune, 30 Jan. 2026 While ice looks to the naked eye like water in solid form, a nanometer-thin layer of liquid water can coat its surface. Miriam Fauzia, Dallas Morning News, 26 Jan. 2026 Intel recently touted its 18A manufacturing technology, seen as equivalent to TSMC’s 2 nanometer process technology. Kif Leswing, CNBC, 21 Jan. 2026 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 10 Feb. 2026.

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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