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scintillation counter

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noun
  1. a device for detecting and measuring radioactivity, having a crystal scintillator, a photoelectric cell sensitive to the light from scintillations, and an amplifier.
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Origin of scintillation counter

First recorded in 1945–50
Also called scin·til·lom·e·ter [sin-tl-om-i-ter] /ˌsɪn tlˈɒm ɪ tər/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for scintillation counter

scintillation counter

noun
  1. an instrument for detecting and measuring the intensity of high-energy radiation. It consists of a phosphor with which particles collide producing flashes of light that are detected by a photomultiplier and converted into pulses of electric current that are counted by electronic equipment
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

scintillation counter in Medicine

scintillation counter

n.
  1. A device for detecting and counting scintillations produced by ionizing radiation.scintillascope
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.