Phrase guide

information theory

noun · 2 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

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1

noun

Meaning 1

A branch of applied mathematics and engineering involving the quantification of information sent over a communication channel, disregarding the meaning of the sent messages, exemplified by the noisy-channel coding theorem.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

(computer science) a statistical theory dealing with the limits and efficiency of information processing

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: scientific theory

History

Etymology

No etymology was provided for this word.

Across languages

Translations

25 source translations are retained for this English entry.

  • Arabic: نظريَة المعلومات — branch of applied mathematics
  • Armenian: ինֆորմացիայի տեսություն (informacʻiayi tesutʻyun) — branch of applied mathematics
  • Catalan: teoria de la informació — branch of applied mathematics
  • Chinese Mandarin: 資訊理論 /资讯理论 (zīxùn lǐlùn) — branch of applied mathematics
  • Chinese Mandarin: 信息論 /信息论 (xìnxīlùn, xìnxílùn) — branch of applied mathematics
  • Czech: teorie informace — branch of applied mathematics
  • Finnish: informaatioteoria — branch of applied mathematics
  • French: théorie de l'information — branch of applied mathematics
  • German: Informationstheorie — branch of applied mathematics
  • Hungarian: információelmélet — branch of applied mathematics
  • Irish: teoiric eolais — branch of applied mathematics
  • Irish: teoiric fhaisnéise — branch of applied mathematics
  • Japanese: 情報理論 — branch of applied mathematics
  • Khmer: ទ្រឹស្ដីពត៌មាន (trɨhsdəy pɔɔtamien) — branch of applied mathematics
  • Korean: 정보 이론 — branch of applied mathematics
  • Persian: نظریه اطلاعات — branch of applied mathematics
  • Polish: teoria informacji — branch of applied mathematics
  • Portuguese: teoria da informação — branch of applied mathematics
  • Romanian: teoria informației — branch of applied mathematics
  • Russian: тео́рия информа́ции (teórija informácii) — branch of applied mathematics
  • Sicilian: tiurìa dâ nfurmazziuni — branch of applied mathematics
  • Spanish: teoría de la información — branch of applied mathematics
  • Swedish: informationsteori — branch of applied mathematics
  • Vietnamese: lý thuyết thông tin — branch of applied mathematics
  • Welsh: damcaniaeth hysbysrwydd — branch of applied mathematics