- 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.
Origin of image tube
First recorded in 1935–40
Also called im·age-con·vert·er tube [im-ij-kuh n-vur-ter] /ˈɪm ɪdʒ kənˌvɜr tər/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018