OR circuit vs OR gate

OR circuit and OR gate both are nouns.

Word	Noun	Adjective	Verb	Adverb
OR circuit	Yes	No	No	No
OR gate	Yes	No	No	No

As nouns, OR circuit and OR gate are synonyms defined as:

OR circuit and OR gate: a gate circuit in a computer that fires when any of its inputs fire

OR circuit (noun)	OR gate (noun)
a gate circuit in a computer that fires when any of its inputs fire	a gate circuit in a computer that fires when any of its inputs fire