terminal emulation vs emulation

terminal emulation and emulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
terminal emulation	Yes	No	No	No
emulation	Yes	No	No	No

As nouns, emulation is a hypernym of terminal emulation; that is, emulation is a word with a broader meaning than terminal emulation:

terminal emulation: (computer science) having a computer act exactly like a terminal
emulation: (computer science) technique of one machine obtaining the same results as another

terminal emulation (noun)	emulation (noun)
(computer science) having a computer act exactly like a terminal	effort to equal or surpass another
	(computer science) technique of one machine obtaining the same results as another
	ambition to equal or excel