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.
Each molecule is only about 0.4 nanometers, or 16 billionths of an inch. Daniel Freedman, The Conversation, 20 Jan. 2025 Some devices emit blue light, usually between 400 to 490 nanometers. Melinda Wenner Moyer, New York Times, 20 Jan. 2025 The Dutch company uses a complex process that starts with kilowatt-class lasers to blasting molten droplets of tin into a plasma that glows with a 13.5 nanometer wavelength . IEEE Spectrum, 2 Jan. 2025 To accomplish this, experts first create extremely tiny holes only a few nanometers wide in the bacteria’s cell membrane. Andrew Paul, Popular Science, 18 Dec. 2024 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

Dictionary Entries Near nanometer

Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 30 Jan. 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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