valve vs accelerator

accelerator vs valve

valve and accelerator both are nouns.

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

As nouns, accelerator is a hyponym of valve; that is, accelerator is a word with a more specific, narrower meaning than valve:

valve: control consisting of a mechanical device for controlling the flow of a fluid
accelerator: a valve that regulates the supply of fuel to the engine

Other hyponyms of valve include throttle, throttle valve, ball valve, butterfly valve, choke, clack, clack valve, clapper valve, exhaust valve, intake valve, poppet, poppet valve, escape, escape cock, escape valve, relief valve, safety valve, slide valve.

valve (noun)	accelerator (noun)
one of the paired hinged shells of certain molluscs and of brachiopods	a valve that regulates the supply of fuel to the engine
the entire one-piece shell of a snail and certain other molluscs	a scientific instrument that increases the kinetic energy of charged particles
control consisting of a mechanical device for controlling the flow of a fluid	a pedal that controls the throttle valve
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone	(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
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 accelerator

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