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Meaning of image tube

im'age tube"

Pronunciation: (im'ij-kun-vûr"tur). [key]
  1. an electron tube that receives a pattern of radiation, as infrared, ultraviolet, or x-ray, on a photosensitive surface and reproduces the pattern on a fluorescent screen. Also called im&prim;age-con&syl;vert&syl;er tube&sec;
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.