Word.ws English Dictionary

oct

oct is the abbreviation of octal.

Meaning of octal

Noun

octal (countable and uncountable, plural octals, abbreviation oct)

  1. (uncountable) The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.
    Synonyms:
    base 8, octonary
  2. (countable) A digit or value in the octal number system.

See all 4 meanings of octal

Noun capitalized: OCT

OCT (uncountable)

  1. (abbreviation, initialism) Initialism of optical coherence tomography: an optical signal acquisition and processing method that captures high-resolution three-dimensional images from biological tissues.

Proper noun (1) capitalized: OCT

OCT

  1. Alternative letter-case form of Oct (“October”).
  2. (abbreviation, initialism) Initialism of Oxford Classical Texts.

Proper noun (2) capitalized: Oct

Oct

  1. (abbreviation) Abbreviation of October.

Origin of oct

Short for octal.

Questions about oct

What is oct the abbreviation of?
Oct is the abbreviation of octal.
What part of speech is oct?
Oct can be a noun or a proper noun.

Words near oct in the dictionary

  1. ocro
  2. OCRs
  3. OCS
  4. Ocsenas
  5. OCSO
  6. oct
  7. oct-
  8. Oct.
  9. octa
  10. octa-
  11. octaacetate

Source and license

Adapted from Wiktionary: oct (page history and authors); OCT (page history and authors); Oct (page history and authors); octal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-Oct.wav.

Cite this entry: “oct.” Word.ws, https://word.ws/oct. Based on Wiktionary, CC BY-SA 4.0.