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 This means that the glasses protect against all types of UV light with wavelengths under 400 nanometers, which includes UVA (which has a wavelength between 315 and 400) and UVB (which has a wavelength between 280 and 315). Staff Author, Parents, 13 Apr. 2024 In semiconductors, the nanometer measure refers to the distance between transistors on the chip, meaning there can be more transistors, and more densely designed, on a smaller nanometer chip. Corina Vanek, The Arizona Republic, 19 Jan. 2024 Microplastics are a bit bigger, ranging from 1 nanometer to 5 millimeters, or about the size of a pencil eraser. Kaitlin Sullivan, Health, 28 Mar. 2024 This generated a cloud of aluminum particles, each roughly 10 nanometers wide inside the gas. IEEE Spectrum, 17 Jan. 2024 These mRNA-lipid nanoparticles, or LNPs, are tiny spheres about 100 nanometers in diameter that protect mRNA from degradation and facilitate its delivery into target cells. Discover Magazine, 8 Jan. 2024 Scientists suspect that the hardest to see are the most damaging of the lot: plastic fragments 100 nanometers in size or less, less than 1/100th the width of human hair. Shi En Kim, Smithsonian Magazine, 8 Jan. 2024 In the new study, researchers created a silicon wafer that varied in height from 150 to 220 nanometers. IEEE Spectrum, 4 Mar. 2024 Meanwhile, spin waves have wavelengths of around 100 nanometers and offer a different vision for analog computing more aligned to the predominantly electronic world of digital computers. IEEE Spectrum, 17 Feb. 2024

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

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 23 Apr. 2024.

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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