# milliwatt-year

> English word · Noun

## Definitions
1. A unit of energy equal to that provided by one milliwatt acting for one year (31·536 × 10³ joules).

## Etymology
By surface analysis, milliwatt + year, or, by surface analysis, milli- + watt-year.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/milliwatt-year