Etymology

nano-joule

Today it means: An SI unit of energy, work and heat equal to 10⁻⁹ joules. Symbol: nJ Full definition →

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

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

From nano- + joule.

Etymology from Wiktionary, CC BY-SA 4.0.