To save this word, you'll need to log in.
Definition of image tube
: an electron tube in which incident electromagnetic radiation (such as light or infrared) produces a visible image on its fluorescent screen duplicating the original pattern of radiation
— called also image converter
Keep scrolling for more
Test Your Vocabulary
Great Scrabble Words—A Quiz
- Which of the following Q-without-U words means the number five in cards or dice?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share image tube
Time Traveler for image tube
The first known use of image tube was in 1936
See more words from the same year