Etymology

terawatt

T1E1R1A1W4A1T1T1

Today it means: One million million (10¹²) watts, an amount of power large enough to power an entire region with many cities. (Consuming 1 terawatt during a duration of 1 hour consumes 1 terawatt-hour of energy.). Full definition →

English watt
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The story

  1. Englishtera-
  2. EnglishWatt
  3. Englishwatt
  4. English todayterawatt

From tera- + watt.

Etymology from Wiktionary, CC BY-SA 4.0.