photo echo

noun

A form of resonance sometimes observed as a coherent pulse of light after two similar pulses have traversed a medium.

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Meanings

nounphoto echo (plural photo echoes)

plural photo echoes

  1. natural sciencesA form of resonance sometimes observed as a coherent pulse of light after two similar pulses have traversed a medium.
Cite this entry
APA

photo echo. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/photo%20echo

MLA

“photo echo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photo%20echo. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “photo echo,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/photo%20echo.

Source: photo echo on Wiktionary, CC BY-SA 4.0.