oct
noun
oct is spelled O-C-T: 3 letters and one syllable. It appears 22 times per million words in written English, the 3,939th most frequent word form (wordfreq, 2021 data). As a noun, oct means “Abbreviation of octal” (English Wiktionary, September 2026).
How many letters and syllables are in oct?
| Letters | 3: O-C-T |
|---|---|
| Syllables | 1 (from its American pronunciation) |
| In writing | 22 times per million words; the 3,939th most frequent word form |
| Wrong spellings searched | none measured in search |
| 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 oct?
Oct appears 22 times per million words in written English, the 3,939th 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 oct?
Oct 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).
What rhymes with oct?
No other word on PlainSpell ends in the same sounds as oct.
Spelled with the same letters in another order: cot.
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).
What does oct mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
informalAbbreviation of octal.
noun
- 1
Initialism of optical coherence tomography: an optical signal acquisition and processing method that captures high-resolution three-dimensional images from biological tissues.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does oct come from?
Short for octal.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).