ohm
/oʊm/noun
ohm is spelled O-H-M: 3 letters and one syllable. It appears 1.0 times per million words in written English, the 28,556th most frequent word form (wordfreq, 2021 data). As a noun, ohm means “In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential…” (English Wiktionary, September 2026). The plural of ohm is ohms.
How many letters and syllables are in ohm?
| Letters | 3: O-H-M |
|---|---|
| Syllables | 1 (from its American pronunciation) |
| In writing | 1.0 times per million words; the 28,556th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is ohm?
Ohm appears 1.0 times per million words in written English, the 28,556th 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 ohm?
- UK /əʊm/
- US /oʊm/
Ohm has one syllable (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-ohm.wav, LL-Q1860_(eng)-Wodencafe-ohm.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with ohm?
The 12 most written words on PlainSpell end in the same sounds as ohm from its last stressed vowel (/oʊm/):
Spelled with the same letters in another order: hom, moh, mho.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of ohm
- ohms plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ohm 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 electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Ohm in Spanish, French, German and Portuguese
In the sense the derived unit of electrical resistance:
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 ohm come from?
Named after Bavarian physicist Georg Ohm. A German surname, first recorded in the 12th century, from German Ohm (“uncle”), from Proto-West Germanic *auhaim (“maternal uncle”), from or related to Proto-Germanic *awô (“grandfather, paternal uncle”) + *haimaz (“home”). Doublet of oom and of dialectal eam (“uncle”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).