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Answer for the clue "(communication theory) a numerical measure of the uncertainty of an outcome ", 7 letters:
entropy

Alternative clues for the word entropy

Word definitions for entropy in dictionaries

Wikipedia Word definitions in Wikipedia
Entropy is an abstract strategy board game for two players designed by Eric Solomon in 1977. The game is "based on the eternal conflict in the universe between order and chaos [...] One player is Order, the other Chaos. Order is trying to make patterns ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1868, from German Entropie "measure of the disorder of a system," coined 1865 (on analogy of Energie ) by German physicist Rudolph Clausius (1822-1888), in his work on the laws of thermodynamics, from Greek entropia "a turning toward," from en "in" (see ...

Usage examples of entropy.

Even if you clean your cluttered desk, decreasing its entropy, the total entropy, including that of your body and the air in the room, actually increases.

Lord of Entropy was not affected, nor was Earthma, but the latter was so stunned by the turn of events that she forgot her son for long enough that Antaeus was visibly diminished by its attempt to continue the assault.

The Lord of Entropy regularly sent electronic messages suggesting revisions and requesting additions to his Palace of Bones.

Other times, discordant sounds rose, seemingly from the dust and rubble itself, squeals of entropy and when they fell away the silence seemed even deeper.

Suffice it to say that the rearrangement of the interior of the sack would have provided more than ample evidence for Shelyid to have from its study, had he the wits, derived brilliant treatises on heretofore unknown aspects of Brownian motion and entropy.

The second Bioroid was an articulated fortress-bulbous-forearmed, bulbous-legged-one moment, and a superheated gas cloud headed for entropy the next.

In the endless heartbeat before that, he was a silent demon of entropy who waited to unwind the clockspring of Fowler's universe, the better to celebrate its last anechoic tick.

There is a drive toward complexification that is directly opposed to the physical law of entropy.

For human history can be viewed as an attempt to countervene the inevitable chaos of entropy.

Metal crystallizes, dissimilar metals react to each other, corrosion eats on everything… Entropy in a closed system increases over time - that's the second law of thermodynamics.

Since the entropy in your room has certainly decreased, Bekenstein reasoned that the only way to satisfy the second law of thermodynamics would be for the black hole to have entropy, and for this entropy to sufficiently increase as matter is pumped into it to offset the observed entropic decrease outside the black hole's exterior.

The process of decreation is unstoppable and irreversible, much like entropy.

When that sort of economic powerhouse expanded into the vicinity of star systems which could scarcely keep their heads above water, the train of events leading to eventual incorporation extended itself with the inevitability of entropy.

Changes of entropy can be calculated only for a reversible process, and may then be defined as the ratio of the amount of heat taken up to the absolute temperature at which the heat is absorbed.

I found that as the atomic numbers became higher the rate of entropy slowed.