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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View gallery - 3 images IBM has developed the blueprint for producing a processor using sub-1-nanometer (nm) chip technology, outdoing its own efforts to increase efficiency and processing power with 2-nm tech from a few years ago. Abhimanyu Ghoshal, New Atlas, 26 June 2026 The nanometer, an atomic-scale unit of measurement, doesn't refer to the literal size of chips or their components, but to how densely transistors -- the tiny electronic switches that make up processors -- can be packed together. CBS News, 25 June 2026 For example, Taiwan’s TSMC independently developed nanosheet transistors for its own proprietary 2-nanometer node technology. Jeremy Hsu, ArsTechnica, 25 June 2026 This architecture itself contains a stack of nanometers-thick silicon sheets through which current flows. IEEE Spectrum, 25 June 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

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Cite this Entry

“Nanometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanometer. Accessed 27 Jun. 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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