Meanings
nounmegawatt hour (plural megawatt hours)
plural megawatt hours
- alternativeAlternative spelling of megawatt-hour.
Synonyms & antonyms
nouna unit of energy equal to the work done by a power of 1000000 watts operating for one hour.
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
By surface analysis, megawatt + hour, or, by surface analysis, mega- + watt hour.
Full word history & related roots →Cite this entry
APA
megawatt hour. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/megawatt%20hour
MLA
“megawatt hour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megawatt%20hour. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “megawatt hour,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/megawatt%20hour.
Source: megawatt hour on Wiktionary, CC BY-SA 4.0.