extropy

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Scrabble points: 19
Words With Friends: 19
Letters: 7

Definition of extropy

1 sense · 1 part of speech · etymology included

noun

(countable, uncountable)Negentropy.

“Extropy uptake, extropy output and entropy production. [...] Jin is the incoming extropy flow, while Jout is the outgoing one. Extropy inflow / outflow is the extropy of the incoming / outgoing material[…]”

Definitions from Wiktionary, CC BY-SA.

Etymology

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First coined to serve as an antonym of entropy, substituting its en- element (representing the prepositional prefix ἐν (en), en, “in” in its Ancient Greek etymon ἐντροπία (entropía), entropia, “a turning towards”) with ex- (representing the Ancient Greek ἐξ (ex), ex, “out of”, “from”); because ἐξ (ex) takes the form ἐκ (ek) when prefixed to an element beginning with τ (t), the analogical spelling is ectropy (or, alternatively, ektropy), as if after the Ancient Greek *ἐκτροπία (ektropía, “a turning out of”).

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