noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   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.).

   "Holonyms: PW, petawatt"

Example

More examples

"Meronyms: mW, milliwatt < W, watt < kW, kilowatt < MW, megawatt < GW, gigawatt"

Etymology

From tera- + watt.

Related phrases

terawatt-hourterawatt-year

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.