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Perspective

arrow of time

From Wiktionary, the free dictionary

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English

English Wikipedia has an article on:

arrow of time

English Wikipedia has an article on:

Entropy (arrow of time)

Alternative forms

time's arrow

Etymology

Reported coined in 1927. (Can this⁽⁺⁾ etymology be sourced?)

Noun

arrow of time (plural arrows of time)

(physics) The direction of time within a four-dimensional relativistic view of the cosmos.
(philosophy) The subjective feeling of movement from past to future.
Entropy.

Translations

direction of time in 4D

Finnish: ajan nuoli
Polish: strzałka czasu f
Portuguese: seta do tempo f
Romanian: săgeata timpului

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