causality paradox

[ kaw-zal-i-tee par-uh-doks ]
/ k蓴藞z忙l 瑟 ti 藢p忙r 蓹 d蓲ks /
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(in science fiction) the hypothetical contradiction of cause-and-effect in time travel and the potential disruption to a timeline resulting from changes in the past that affect the current reality, as in the grandfather paradox.
Also called cau路sal路i路ty vi路o路la路tion .Astrophysics. an effect that does not belong to the future light cone of its cause, or an effect occurring before the light cone of its cause, as the exchange of superluminal signals between distant observers who are in a relative motion receding one from another.
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Origin of causality paradox

First recorded in 1910鈥15

Words nearby causality paradox

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

Scientific definitions for causality paradox

causality paradox
[ k么-z膬l沫-t膿 ]

A paradox resulting from hypothetical time travel, in which an individual travels back in time and performs actions that would ultimately have made the time travel impossible (as by killing one's parents at a time preceding one's birth).
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.