coulomb
/ˈku.lɑm/noun
coulomb is spelled C-O-U-L-O-M-B: 7 letters and 2 syllables. It appears about once in every 4 million words in written English, the 60,074th most frequent word form (wordfreq, 2021 data). As a noun, coulomb means “In the International System of Units, the derived unit of electric charge; the amount of electric charge carried by a current of 1 ampere flowing for…” (English Wiktionary, September 2026). The plural of coulomb is coulombs.
How many letters and syllables are in coulomb?
| Letters | 7: C-O-U-L-O-M-B |
|---|---|
| Syllables | 2 (from its pronunciation) |
| In writing | about once in every 4 million words; the 60,074th most frequent word form |
| Wrong spellings searched | none 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 coulomb?
Coulomb appears about once in every 4 million words in written English, the 60,074th 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).
How do you pronounce coulomb?
- UK /ˈkuː.lɒm/
- US /ˈku.lɑm/
- US /ˈku.loʊm/
Coulomb has 2 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-coulomb.wav, Wikimedia Commons (author and licence on each file's page).
Forms of coulomb
- coulombs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does coulomb mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
In the International System of Units, the derived unit of electric charge; the amount of electric charge carried by a current of 1 ampere flowing for 1 second. Symbol: C
He is charged up with enough coulombs to make his hair stand on end.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Coulomb in Spanish, French, German and Portuguese
In the sense unit of electrical charge:
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 coulomb come from?
From French coulomb, from the French physicist Charles-Augustin de Coulomb.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).