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milliwatt

noun

milliwatt is spelled M-I-L-L-I-W-A-T-T: 9 letters. It appears about once in every 51 million words in written English, the 222,788th most frequent word form (wordfreq, 2021 data). As a noun, milliwatt means “One thousandth (10⁻³) of a watt, an amount of power that can power a small electronic device such as a single microchip. (Consuming 1 milliwatt…” (English Wiktionary, September 2026). The plural of milliwatt is milliwatts.

How many letters and syllables are in milliwatt?

Letters9: M-I-L-L-I-W-A-T-T
In writingabout once in every 51 million words; the 222,788th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is milliwatt?

Milliwatt appears about once in every 51 million words in written English, the 222,788th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of milliwatt

  • milliwatts plural
  • milli-watt

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does milliwatt mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    One thousandth (10⁻³) of a watt, an amount of power that can power a small electronic device such as a single microchip. (Consuming 1 milliwatt during a duration of 1 hour consumes 1 milliwatt-hour of energy.).

    Holonyms: W, watt < kW, kilowatt < MW, megawatt < GW, gigawatt < TW, terawatt < PW, petawatt

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Milliwatt in Spanish, French, German and Portuguese

In the sense one thousandth of a watt:

LanguageWords
Frenchmilliwatt

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does milliwatt come from?

From milli- + watt.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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