ELECTRON GUN

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it

Classified under:

Nouns denoting man-made objects

Hypernyms ("electron gun" is a kind of...):

electrode (a conductor used to make electrical contact with some part of a circuit)

Holonyms ("electron gun" is a part of...):

cathode-ray tube; CRT (a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen)

electron microscope (a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light)

Credits