photomultiplier tube

noun
pho·to·mul·ti·pli·er tube | \ ˌfō-tō-ˈməl-tə-ˌplī(-ə)r- \

Definition of photomultiplier tube 

: a vacuum tube that detects light especially from dim sources through the use of photoemission and successive instances of secondary emission to produce enough electrons to generate a useful current

called also photomultiplier

Examples of photomultiplier tube in a Sentence

Recent Examples on the Web

IceCube, an international observatory run by 300 scientists from 12 countries, consists of more than 5,000 sensitive photomultiplier tubes embedded in grid encompassing a cubic kilometer of ice at the South Pole. Dennis Overbye, New York Times, "It Came From a Black Hole, and Landed in Antarctica," 12 July 2018 The Florida team came up with a simpler approach using a cheap, low-power laser and a common light detector called a photomultiplier tube, which records the total intensity of photons falling on it. Prachi Patel, Scientific American, "Seeing the Unseen: New, Low-Cost Technique Tracks Objects Hidden by Fog," 1 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photomultiplier tube.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of photomultiplier tube

1941, in the meaning defined above

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Last Updated

21 Jul 2018

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The first known use of photomultiplier tube was in 1941

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photomultiplier tube

noun
pho·to·mul·ti·pli·er tube | \ ˌfōt-ō-ˈməl-tə-ˌplī(-ə)r- \

Medical Definition of photomultiplier tube 

: a vacuum tube that detects light especially from dim sources through the use of photoemission and successive instances of secondary emission to produce enough electrons to generate a useful current

called also photomultiplier

More from Merriam-Webster on photomultiplier tube

Britannica.com: Encyclopedia article about photomultiplier tube

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