octal

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octal

/ˈɒk.təl/ UK

Where it comes from

From oct- + -al.

noun octals · oct

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

adjective

not comparable Concerning numbers expressed in octal or mathematical calculations performed using octal.
historical, not comparable Being or relating to a kind of tube socket base having eight pins.

Similar: base-8

Thesaurus

adjective

Similar: base-8

Translations

Every language

adj concerning numbers expressed in octal or mathematics calculations performed using octal

中文	八進制 /八进制 bājìnzhì
हिन्दी	अष्टाधारी aṣṭādhārī
Deutsch	Oktal-, Achter-, oktal
Italiano	ottale
Ελληνικά	οκταδικός oktadikós
Română	octal
Русский	восьмери́чный vosʹmeríčnyj

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Cite this

MLA

"octal." Wiktionary, via Micwyn, micwyn.com/word/octal. Accessed 6 Nov. 2026.

APA

octal. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/octal

Chicago

"octal." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/octal.

BibTeX

@misc{octal_2026,
  title = {octal},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/octal},
  urldate = {2026-11-06}
}