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nanometer

American  
[nan-uh-mee-ter, ney-nuh-] / ˈnæn əˌmi tər, ˈneɪ nə- /

noun

  1. one billionth of a meter. nm


nanometer Scientific  
/ nănə-mē′tər /
  1. One billionth (10 - 9) of a meter.


Etymology

Origin of nanometer

First recorded in 1960–65; nano- + meter 1

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

BYD unveiled the Xuanji A3, a 4 nanometer autonomous-driving chip, at its technology day in Shenzhen, China.

From The Wall Street Journal • May 29, 2026

The company launched the Xuanji A3 chip, a 4 nanometer semiconductor for autonomous driving, late Thursday at its technology day in Shenzhen, China.

From The Wall Street Journal • May 29, 2026

The study relied heavily on advanced imaging tools developed at Janelia, including iPALM, an interferometric technique capable of resolving structures at the nanometer scale.

From Science Daily • Apr. 1, 2026

For scale, a nanometer is one millionth of a millimeter.

From Science Daily • Mar. 4, 2026

The intense beams will allow researchers to image samples at nanometer scales and take snapshots of chemical reactions over nanosecond time frames.

From Science Magazine • Nov. 27, 2024

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