thermionic tube vs plate

thermionic tube and plate both are nouns.

Word	Noun	Adjective	Verb	Adverb
thermionic tube	Yes	No	No	No
plate	Yes	No	Yes	No

thermionic tube (noun)	plate (noun)
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope	dish on which food is served or from which food is eaten
	a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
	a sheet of metal or wood or glass or plastic
	a shallow receptacle for collection in church
	(baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
	structural member consisting of a horizontal beam that provides bearing and anchorage
	a full-page illustration (usually on slick paper)
	a flat sheet of metal or glass on which a photographic image can be recorded
	the positively charged electrode in a vacuum tube
	a dental appliance that artificially replaces missing teeth
	any flat platelike body structure or part
	a main course served on a plate
	the thin under portion of the forequarter
	a rigid layer of the Earth's crust that is believed to drift slowly
	the quantity contained in a plate

thermionic tube (verb)	plate (verb)
	coat with a layer of metal