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entropy

entropy

21 9.5
A measure of how energy spreads and becomes less available for work
  • noun
  • /ˈɛntrəpi/
  • Specialized
translation icon : entropía
  • As a system becomes more disordered, its entropy increases, indicating greater energy unavailability.
  • entropy generation
  • thermodynamic entropy
  • low-entropy

What is the journey from low entropy to high entropy like?

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Examples

  • When the mass-energy of these bodies radiates away, large quantities of entropy are generated, and gravity loses further ground.

    Academic text (2000)
  • For example, cell biologists need to understand entropy because free energy measures how much useful work can be done.

    Academic text (2012)
  • What is the journey from low entropy to high entropy like?

  • In this case, for this guy, the change in entropy is the following.

  • What advice would you give to young people that are fighting entropy with all their might?

  • And that would be a high entropy state compared to the smooth state.

  • Entropy provides a measure of disorder within a physical system; whenever entropy is generated, the amount of disorder increases.

    Academic text (2000)
  • The evenly matched competition between gravity and entropy allows the sun to exist in its present state.

    Academic text (2000)
  • On every scale, the indefatigable competition between gravity and entropy ensures that victory is often temporary and never absolute.

    Academic text (2000)
  • Why is the entropy of the universe so high, about 109 photons for every baryon?

    Academic text (2000)

Antonyms

1.0

The arrangement of things in a neat sequence

363 3.1

Being steady and not likely to change

Compounds

9.6

A measure of how many different shapes a molecule can take

How Disordered

chaos
438 3.1
entropy
  • Specialized
21 9.5
disorder
31 3.7
randomness
19 5.4
order
1.0

Surface Forms

entropy singular
entropies plural

Etymology

Entropy comes from Greek parts en- 'in' and tropē 'turning'. Scientists used this idea of energy 'turning' into useless heat, so in thermodynamics entropy measures how much usable energy is lost and how much disorder there is.