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.
Lei had teased the 3 nanometer chip last week on Chinese social media app Weibo. Evelyn Cheng, CNBC, 22 May 2025 While microplastics range from 5 millimeters (the size of a pencil eraser) to 1 nanometer, nanoplastics are smaller than one millionth of a meter (one micrometer). Jack Knudson, Discover Magazine, 21 May 2025 Many viruses measure just tens of nanometers (nm) in size, but that’s not always the case. Andrew Paul, Popular Science, 17 Apr. 2025 The lower nanometer count just means the transistors have become smaller, allowing more of them to be placed on the chip. Ben Sin, Forbes, 15 Mar. 2025 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 31 May. 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

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