Megawatt

Alternative forms

• mega-watt

Origin

From mega- + watt

Full definition of megawatt

Noun

1. One million ( 10⁶ ) watts, abbreviated as MW.

Usage notes

Attributive use modifying smile or similar nouns are due to watt as measure of the power used by a lightbulb, and hence of its brilliance, by analogy to smiles and the like.

Derived terms

• megawattage
• megawatt-hour