nanometer

noun

nano·​me·​ter ˈna-nə-ˌmē-tər 

: one billionth of a meter

Examples of nanometer in a Sentence

Recent Examples on the Web

The resulting laser operated at a wavelength of about 461 nanometers. — Muskan Bhatia, Interesting Engineering, 30 Oct. 2026

Its four treatment modes include red-light therapy with a 630-nanometer wavelength, galvanic current, facial massage, and therapeutic warmth. — Lauren Valenti, Vogue, 29 Oct. 2026

Once a dominant force in the chip manufacturing landscape, Intel hit major delays with its 7- and 10-nanometer nodes, triggering the stock's worst year ever in 2024. — Katie Tarasov, CNBC, 21 Oct. 2026

Microplastics are usually defined as particles smaller than five millimeters, while the minimum cutoff varies between 100 and 1,000 nanometers. — Jacek Krywko, ArsTechnica, 15 Oct. 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

1963, in the meaning defined above

Rhymes for nanometer

• amphitheater
• bolometer
• centimeter
• centimetre
• decimeter
• ergometer
• expositor
• gasometer
• gravimeter
• hexameter
• manometer
• milliliter

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

ˈnan-ə-ˌmēt-ər 

: one billionth of a meter

—abbreviation nm