Associations to the word «Entropy»


ENTROPY, noun. (thermodynamics) (countable)
ENTROPY, noun. Strictly thermodynamic entropy. A measure of the amount of energy in a physical system that cannot be used to do work.
ENTROPY, noun. A measure of the disorder present in a system.
ENTROPY, noun. The capacity factor for thermal energy that is hidden with respect to temperature [1].
ENTROPY, noun. The dispersal of energy; how much energy is spread out in a process, or how widely spread out it becomes, at a specific temperature. [1]
ENTROPY, noun. (statistics) (information theory) (countable) A measure of the amount of information and noise present in a signal. Originally a tongue-in-cheek coinage, has fallen into disuse to avoid confusion with thermodynamic entropy.
ENTROPY, noun. (uncountable) The tendency of a system that is left to itself to descend into chaos.

Dictionary definition

ENTROPY, noun. (communication theory) a numerical measure of the uncertainty of an outcome; "the signal contained thousands of bits of information".
ENTROPY, noun. (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work; "entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity".

Wise words

The short words are best, and the old words are the best of all.
Winston Churchill