Entropy

/ˈɛn.trə.pi/

Meaning & Definition

noun
A measure of the amount of disorder or randomness in a system, commonly used in thermodynamics and information theory.
As the ice melts, the entropy of the water increases.
A measure of uncertainty or information content in a data set, used in the context of information theory.
The entropy of the dataset indicates the level of unpredictability of the outcomes.
In a broader sense, a term used to describe decline into disorder or chaos.
The entropy of the office environment became apparent as papers were scattered everywhere.
The tendency of a system to move towards a state of maximum disorder.
The second law of thermodynamics states that entropy will always increase in an isolated system.

Etymology

From Greek 'entropia', meaning 'a turning toward' or 'transformation'.

Common Phrases and Expressions

entropy increase:
The phenomenon where entropy rises, indicating greater disorder.
maximal entropy:
A state where a system is in complete disorder.
entropy and information:
A concept illustrating the relationship between disorder and the amount of information.

Related Words

Slang Meanings

A chaotic situation or state.
The party turned into complete entropy when the music started blaring.
A state of confusion or disarray in planning.
The project was in entropy after the last-minute changes.