Etymology

nano-watt

Today it means: One thousand millionth ( 10⁻⁹ ) of a watt, abbreviated as nW. Full definition →

English watt ← Latin nānus ← Ancient Greek νᾶνος (nânos)
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The story

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

From nano- + watt.

Etymology from Wiktionary, CC BY-SA 4.0.