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Meaning of crystal detector in English:

crystal detector

noun

Electronics

  • 1One that employs a crystal diode to rectify a high-frequency current, or to produce an audio signal from a radio signal.

  • 2One used as a scintillation detector of X-rays or gamma rays.

Origin

Early 20th century; earliest use found in Ambrose Fleming (1849–1945), electrical engineer and university teacher.