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Definitions

information theory

NOUN
statistical theory about information processing
Synonyms
WEAK
communication theory communications theory information retrieval

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Modern fields of study such as cognitive neuroscience and integrated information theory also reflect technological change.

From The Wall Street Journal • Mar. 15, 2026

Yet from the standpoint of information theory, the same ideas could theoretically be transmitted in a far more compressed format.

From Science Daily • Feb. 20, 2026

Cybernetics is basically information theory or the mathematics of information applied in contexts of control.

From Salon • Apr. 26, 2025

Mathematician Claude Shannon, founder of information theory, recognized this and defined a measure of information content with this relationship in mind.

From Scientific American • Apr. 28, 2023

Tattered spy novels, texts on information theory and binary multipliers, and an old Polish-English dictionary.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin