nano-watt

noun

One thousand millionth ( 10⁻⁹ ) of a watt, abbreviated as nW.

OriginEnglish watt ← Latin nānus ← Ancient Greek νᾶνος (nânos) →
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Meanings

nounnano-watt (plural nano-watts)

plural nano-watts · alternative nanowatt

  1. One thousand millionth ( 10⁻⁹ ) of a watt, abbreviated as nW.

Origin

  1. Ancient Greekνᾶνος (nânos)
  2. Latinnānus
  3. Englishnano-
  4. Englishwatt
  5. Englishnano-watt

From nano- + watt.

Full word history & related roots →
Cite this entry
APA

nano-watt. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nano-watt

MLA

“nano-watt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nano-watt. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “nano-watt,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nano-watt.

Source: nano-watt on Wiktionary, CC BY-SA 4.0.