Meanings
noun
- relativityA time delay in the round trip travel time for radar signals passing near a massive object, caused by time dilation.
Synonyms: Shapiro delay, Shapiro effect
Synonyms & antonyms
nounA time delay in the round trip travel time for radar signals passing near a massive object, caused by time dilation.
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Also see
Origin
Named after Irwin I. Shapiro who predicted the effect in 1964.
Full word history & related roots →Cite this entry
APA
Shapiro time delay. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Shapiro%20time%20delay
MLA
“Shapiro time delay.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Shapiro%20time%20delay. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Shapiro time delay,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Shapiro%20time%20delay.
Source: Shapiro time delay on Wiktionary, CC BY-SA 4.0.