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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

It is roughly equivalent to the amount of work needed to move a red blood cell upward by one nanometer in Earth's gravity.

From Science Daily • May 21, 2026

In Arizona, it makes four and five nanometer chips; two nanometer chips won’t be made there till 2030.

From The Wall Street Journal • Feb. 24, 2026

The intense, laserlike x-rays are siphoned off into 14 beamlines that scientists will use to image materials and biological structures at atomic to nanometer scales and take snapshots of chemical reactions over nanosecond time frames.

From Science Magazine • Nov. 22, 2024

The cell is composed of platinum, aluminum oxide, and a super thin, 10 nanometer polymer film.

From Science Daily • Jun. 19, 2024

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