Attowatt
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 An SI unit of power equal to 10⁻¹⁸ watts. Symbol: aW
Synonyms
All synonymsEtymology
From atto- + watt.
More for "attowatt"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.