Word Pronunciation & Dictionary

gigawatt-hour

Word Rarity Very rare

Frequency: Zipf frequency 1.96 in modern English

Syllables
gi-gawat-t-hour
IPA
20
Scrabble Score
12
Letters
4
Syllables
9
Unique Chars

Meaning

noun

A unit of energy equal to that provided by one gigawatt acting for one hour (3·6 × 10¹² joules).

noun

A measure of the amount of equipment that produces, consumes, transmits, or stores this amount of energy.

Example Sentences

Etymology

Inflected Forms

Frequently Paired Words

mul:GW·h mul:GW h mul:GWh gigawatt hour

Questions

What does gigawatt-hour mean?
A unit of energy equal to that provided by one gigawatt acting for one hour (3·6 × 10¹² joules).
Where does gigawatt-hour come from?
By surface analysis, gigawatt + hour, or, by surface analysis, giga- + watt-hour.

How to pronounce gigawatt-hour

  1. Open the pronunciation page — Open the Speakur entry for “gigawatt-hour”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “gigawatt-hour”.
  4. Repeat and practice — Say “gigawatt-hour” aloud, matching stress and vowels until it feels natural.