redbrick university vs colloquialism

redbrick university and colloquialism both are nouns.

Word	Noun	Adjective	Verb	Adverb
redbrick university	Yes	No	No	No
colloquialism	Yes	No	No	No

redbrick university (noun)	colloquialism (noun)
(British informal) a provincial British university of relatively recent founding; distinguished from Oxford University and Cambridge University	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech