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 By comparison, a strand of human DNA is 2.5 nanometers in diameter and a human hair is approximately 80,000 - 100,000 nanometers wide, the Initiative states. USA TODAY, 23 Apr. 2024 To put that size in perspective, there are 10 million nanometers in a centimeter. Cara Lynn Shultz, Peoplemag, 18 Apr. 2024 New generations of production technology are often described in terms of nanometers, or billionths of a meter, a measure of key dimensions of microscopic circuitry. Don Clark, New York Times, 8 Apr. 2024 In semiconductors, nanometer measure refers to the distance between transistors on the chip —meaning there can be more transistors, and more dense designs, on a smaller nanometer chip. Corina Vanek, The Arizona Republic, 8 Apr. 2024 Its performance is comparable to that of carbon nanotube transistors, but its channel length is much shorter, because the molecule is just 2.1 nanometers long, says Thomas. IEEE Spectrum, 29 Mar. 2024 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

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 3 May. 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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