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# information theory

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noun

the mathematical theory concerned with the content, transmission, storage, and retrieval of information, usually in the form of messages or data, and especially by means of computers.

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## Origin of information theory

First recorded in 1945â€“50

## Words nearby information theory

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Â© Random House, Inc. 2023

## How to use information theory in a sentence

## British Dictionary definitions for information theory

information theory

noun

a collection of mathematical theories, based on statistics, concerned with methods of coding, transmitting, storing, retrieving, and decoding information

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for information theory

information theory

A branch of mathematics that mathematically defines and analyzes the concept of information. Information theory involves statistics and probability theory, and applications include the design of systems that have to do with data transmission, encryption, compression, and other information processing.

The American HeritageÂ® Science Dictionary
Copyright Â© 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.