Speakur

Word Pronunciation & Dictionary

kilowatt-hour

Word Rarity Rare

Frequency: 2.80 in modern English

Syllables
kilo-wat-t-hour
IPA
22
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars

Meaning

noun

A unit of energy equal to that provided by one kilowatt acting for one hour (3·6 × 10⁶ joules).

Example Sentences

  • "Holonyms: watt-year (31.536e6 J) < gigajoule (1.000e9 J) < megawatt-hour (3.600e9 J) < 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)"

Etymology

By surface analysis, kilowatt + hour, or, by surface analysis, kilo- + watt-hour.

Inflected Forms

kilowatt-hours (plural)

Frequently Paired Words

mul:kW·h mul:kW h mul:kWh mul:kW-hr mul:kWhr kilowatt hour

Questions

What does kilowatt-hour mean?
A unit of energy equal to that provided by one kilowatt acting for one hour (3·6 × 10⁶ joules).
Where does kilowatt-hour come from?
By surface analysis, kilowatt + hour, or, by surface analysis, kilo- + watt-hour.

How to pronounce kilowatt-hour

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