Speakur

Word Pronunciation & Dictionary

megawatt-hour

Word Rarity Rare

Frequency: Zipf frequency 2.68 in modern English

Syllables
megawat-t-hour
IPA
21
Scrabble Score
12
Letters
3
Syllables
10
Unique Chars

Meaning

noun

A unit of energy equal to that provided by one megawatt acting for one hour (3·6 × 10⁹ joules).

Example Sentences

  • "Holonyms: kilowatt-year (31.536e9 J) < terajoule (1.000e12 J) < gigawatt-hour (3.600e12 J) < megawatt-year (31.536e12 J) < petajoule (1.000e15 J) < terawatt-hour (3.600e15 J) < gigawatt-year (31.536e15 J) < exajoule (1.000e18 J) < petawatt-hour (3.600e18 J) < terawatt-year (31.536e18 J)"
  • "Meronyms: yoctojoule (1.000e-24 J) < zeptojoule (1.000e-21 J) < attojoule (1.000e-18 J) < hartree (4.35974e-18 J) < femtojoule (1.000e-15 J) < picojoule (1.000e-12 J) < nanojoule (1.000e-9 J) < microjoule (1.000e-6 J) < millijoule (1.000e-3 J) < joule (1 J) < milliwatt-hour (3.6 J) < microwatt-year (31.536 J) < kilojoule (1.000e3 J) < watt-hour (3.600e3 J) < milliwatt-year (31.536e3 J) < megajoule (1.000e6 J) < kilowatt-hour (3.600e6 J) < watt-year (31.536e6 J) < gigajoule (1.000e9 J)"

Etymology

By surface analysis, megawatt + hour, or, by surface analysis, mega- + watt-hour.

Inflected Forms

megawatt-hours (plural)

Frequently Paired Words

mul:MW·h mul:MW h mul:MWh megawatt hour

Synonyms

mwh megawatt hour

Questions

What does megawatt-hour mean?
A unit of energy equal to that provided by one megawatt acting for one hour (3·6 × 10⁹ joules).
Where does megawatt-hour come from?
By surface analysis, megawatt + hour, or, by surface analysis, mega- + watt-hour.

How to pronounce megawatt-hour

  1. Open the pronunciation page — Open the Speakur entry for “megawatt-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 “megawatt-hour”.
  4. Repeat and practice — Say “megawatt-hour” aloud, matching stress and vowels until it feels natural.