English

Alternative forms

• mega-watt

Noun

megawatt ‎(plural megawatts)

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

Translations

Italian

Etymology

Borrowing from English megawatt, equivalent to mega- +‎ watt.

Noun

megawatt m ‎(invariable)

1. megawatt