milliwatt-hour

noun

A unit of energy equal to the power of one milliwatt being in use for one hour. It is equal to 3.6 joules.

Meanings

nounmilliwatt-hour (plural milliwatt-hours)

plural milliwatt-hours

  1. A unit of energy equal to the power of one milliwatt being in use for one hour. It is equal to 3.6 joules.

    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)

    1 more example

    Holonyms: 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) < 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)

Origin

By surface analysis, milliwatt + hour, or, by surface analysis, milli- + watt-hour.

Full word history & related roots →
Cite this entry
APA

milliwatt-hour. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/milliwatt-hour

MLA

“milliwatt-hour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/milliwatt-hour. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “milliwatt-hour,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/milliwatt-hour.

Source: milliwatt-hour on Wiktionary, CC BY-SA 4.0.