clock paradox

noun

The phenomenon in which two observers who start together with identical clocks, follow different timelines, and then rejoin can have different elapsed times on their clocks, especially if one travels at a relativistic speed.

Similar
twin paradox
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Meanings

nounclock paradox (plural clock paradoxes)

plural clock paradoxes

  1. relativity; space flight; relativity; space flightThe phenomenon in which two observers who start together with identical clocks, follow different timelines, and then rejoin can have different elapsed times on their clocks, especially if one travels at a relativistic speed.

    Synonyms: twin paradox

Synonyms & antonyms

nounThe phenomenon in which two observers who start together with identical clocks, follow different timelines, and then rejoin can have different elapsed times on their clocks, especially if one travels at a relativistic speed.

Similar
twin paradox

Translations

Finnish kaksosparadoksi, kelloparadoksi
  • kaksosparadoksiphysical phenomenon
  • kelloparadoksiphysical phenomenon
Tamil கடிகாரப் புதிர்
  • கடிகாரப் புதிர் (kaṭikārap putir)physical phenomenon
Cite this entry
APA

clock paradox. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/clock%20paradox

MLA

“clock paradox.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/clock%20paradox. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “clock paradox,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/clock%20paradox.

Source: clock paradox on Wiktionary, CC BY-SA 4.0.