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{%type%} Definitions

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Short "hint"

extremely sensitive detector of light and of other radiation, consisting of a tube in which the electrons released by radiation striking a photocathode are accelerated, greatly amplifying the signal obtainable from small quantities of radiation

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Usage examples (39)
  • Flandry used photomultiplier and infrared step-up controls to go on with his watching.
  • The detector is filled with pure mineral oil and lined with photomultiplier tubes (PMTs).
  • The photomultiplier tube led to the microwave oven via co-option of traits from older technologies.
  • Tall trees gloomed everywhere about; the sky was hidden, and I must tune up the photomultiplier unit in my goggles.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.