Tanım
•arrow of time (direction of time in four dimensions)
Diğer Dillerde
arrow of time, time's arrow (concept positing the "one-way direction" or "asymmetry" of time)
çekim: çoğul ajan nuolet · tamlayan ajan nuolen
köken: From ajan + nuoli; calque of English arrow of time, coined in 1927 by the British astrophysicist Arthur Eddington.