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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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 The clusters are about 8 nanometers wide, similar in size to transistor structures. Neetika Walter, Interesting Engineering, 22 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 Previous reports have suggested that the next iPhone Air could have a 2-nanometer process, which would significantly improve battery life, wiping away any remaining doubts about that aspect. David Phelan, Forbes.com, 20 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 29 Jan. 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

More from Merriam-Webster on nanometer

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