valve vs controller

controller vs valve

valve and controller both are nouns.

Word	Noun	Adjective	Verb	Adverb
valve	Yes	No	No	No
controller	Yes	No	No	No

As nouns, controller is a hypernym of valve; that is, controller is a word with a broader meaning than valve:

valve: control consisting of a mechanical device for controlling the flow of a fluid
controller: a mechanism that controls the operation of a machine

Other hypernyms of valve include control.

valve (noun)	controller (noun)
one of the paired hinged shells of certain molluscs and of brachiopods	a mechanism that controls the operation of a machine
the entire one-piece shell of a snail and certain other molluscs	someone who maintains and audits business accounts
control consisting of a mechanical device for controlling the flow of a fluid	a person who directs and restrains
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

Difference between valve and controller

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