Dictionary

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
ADVERTISEMENT

First Known Use of PHOTOMULTIPLIER TUBE

1941
Medical Dictionary

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

Browse

Next Word in the Dictionary: photomuralPrevious Word in the Dictionary: photomosaicAll Words Near: photomultiplier tube
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears