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Entropy: meaning, pronunciation and examples

Entropy noun. A measure of the disorder in a system, which in nature tends to increase over time.

How to say it

EN-truh-pee/ˈɛntrəpi/

3 syllables, stressed on the first (EN).

Meanings

  1. A measure of the disorder in a system, which in nature tends to increase over time.
  2. A gradual slide into disorder or decline.

Entropy in a sentence

Entropy is why a dropped egg never leaps back into its shell.

Left alone, my desk drifts towards entropy within a week.

Similar and opposite

Similar:

  • disorder
  • decay
  • chaos
  • deterioration

Opposite:

  • order

Where entropy comes from

Coined by the German physicist Rudolf Clausius in 1865, from Greek tropē, a turning.

Test yourself

Which word fills the gap?

Left alone, my desk drifts towards _____ within a week.

  • entropy
  • homeostasis
  • hypothesis
Show the answer

entropy: Left alone, my desk drifts towards entropy within a week.