musical instrument digital interface vs MIDI

musical instrument digital interface and MIDI both are nouns.

Word	Noun	Adjective	Verb	Adverb
musical instrument digital interface	Yes	No	No	No
MIDI	Yes	No	No	No

As nouns, musical instrument digital interface and MIDI are synonyms defined as:

musical instrument digital interface and MIDI: a standard protocol for communication between electronic musical instruments and computers

musical instrument digital interface (noun)	MIDI (noun)
a standard protocol for communication between electronic musical instruments and computers	a standard protocol for communication between electronic musical instruments and computers