nanometers

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Definitions from WordNet

Noun nanometer has 1 sense

nanometer, nanometre, nm, millimicron, micromillimeter, micromillimetre - a metric unit of length equal to one billionth of a meter
--₁ is a kind of metric linear unit
--₁ is a part of micron, micrometer
--₁ has parts: angstrom, angstrom unit, A

Definitions from the Web

Nanometers

Nanometers are a unit of length in the metric system, symbolized as nm. It is equal to one billionth of a meter, or 0.000000001 meters. Nanometers are often used in scientific and technological fields to express very small distances on the atomic and molecular scale.

Sample Sentences:

The diameter of a typical human hair is approximately 80,000 nanometers.
Scientists use nanometers to measure the size of nanoparticles.
The resolution of the latest electron microscope is in the range of a few nanometers.

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