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 What happens when the US reaches the limit Smaller semiconductor measurements, expressed in nanometers, allow for more computing power in the same space. Russ Wiles, The Arizona Republic, 19 Apr. 2024 The very latest generation chips (those with circuits five nanometers or smaller) are produced in only two places: Taiwan (by Taiwan Semiconductor Manufacturing Company, or TSMC) and, to a much lesser extent, South Korea (by Samsung). Andrew S. Erickson, Foreign Affairs, 16 Feb. 2024 Microplastics range from 5 millimeters in diameter, or about the thickness of pencil lead, to 1 nanometer. Kaitlin Sullivan, Health, 31 May 2024 That’s equivalent to a sliver about 60 x 60 x 2 nanometers in size. The Physics Arxiv Blog, Discover Magazine, 24 May 2024 See all Example Sentences for nanometer 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nanometer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2024.

Kids Definition


: one billionth of a meter

Medical Definition


variants or chiefly British nanometre
: one billionth of a meter
abbreviation nm

More from Merriam-Webster on nanometer

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