Standard Lemma guide

Unix

name · noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈjuː.nɪks/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -uːnɪks
  • homophone: eunuchs
  • CMU ARPABET: Y UW1 N IH0 K S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

An operating system that shares the original source code by Dennis Ritchie and Ken Thompson.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

An operating system largely compatible with Unix that qualifies for use of the UNIX trademark, currently owned by The Open Group.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

Alternative letter-case form of Unix.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences, software

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Any of the above plus Unix-like operating systems similar to Unix but not qualifying for use of the UNIX trademark.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • GNU is not Unix.
  • The Linux kernel operating system is one of the most popular Unixes.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Alternative form of Unix.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences, software

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

trademark for a powerful operating system

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: UNIX system, UNIX operating system

Antonyms: none provided

Broader terms: operating system, OS

Narrower terms: Linux

History

Etymology

Etymology tree Proto-Indo-European *mel-der. Proto-Indo-European *ml̥tós? Proto-Italic *moltos Latin multi- Proto-Indo-European *pel-der.? Latin -plex Latin multiplexlbor. English multiplexed Proto-Indo-European *h1én Proto-Italic *en Proto-Italic *en- Latin in- Ancient Greek μορφή (morphḗ)der.? Latin fōrma Latin fōrmō Latin īnfōrmō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Late Latin īnfōrmātiōder. Middle English enformacioun English information Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin com- Latin putus Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-yéti Proto-Indo-European *-eh2yéti Proto-Indo-European *-h2tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin putō Latin computō Latin computārelbor. French computerbor. English computing Proto-Indo-European *ser-der.? Proto-Italic *serwos Latin servus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin -itia Latin servitiumbor. Old French servisebor. Old English serfis Middle English servise English service English Multiplexed Information and Computing Service English Multics ▲ English eunuchinflu. English Unix A pun on Multics to sound like eunuchs, as Unix was considered to be an emasculated Multics (see multi- and uni-). Likely coined by Canadian computer scientist Brian Kernighan in 1970.

Across languages

Translations

25 source translations are retained for this English entry.

  • Arabic: يُونِكْس (yūniks) — operating system
  • Bulgarian: Ю́никс (Júniks) — operating system
  • Chinese Mandarin: 尤內克斯 /尤内克斯 (yòunèikèsī) — operating system
  • Chinese Mandarin: Unix — operating system
  • Dutch: Unix — operating system
  • Esperanto: Unikso — operating system
  • Finnish: Unix — operating system
  • French: Unix — operating system
  • German: Unix — operating system
  • Hebrew: יוניקס — operating system
  • Hindi: युनिक्स (yuniks) — operating system
  • Japanese: Unix — operating system
  • Japanese: ユニックス (Yunikkusu) — operating system
  • Korean: 유닉스 (Yunikseu) — operating system
  • Macedonian: Ју́никс (Júniks) — operating system
  • Persian: یونیکس (yuniks) — operating system
  • Polish: Unix — operating system
  • Portuguese: Unix — operating system
  • Russian: Ю́никс (Júniks) — operating system
  • Spanish: Unix — operating system
  • Thai: ยูนิกซ์ (yuniks) — operating system
  • Turkish: Unix (yuniks) — operating system
  • Ukrainian: Ю́нікс (Júniks) — operating system
  • Urdu: یونکس (yūniks) — operating system
  • Yiddish: יוניקס (yuniks) — operating system