redbrick university vs Great Britain

redbrick university and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
redbrick university	Yes	No	No	No
Great Britain	Yes	No	No	No

redbrick university (noun)	Great Britain (noun)
(British informal) a provincial British university of relatively recent founding; distinguished from Oxford University and Cambridge University	an island comprising England and Scotland and Wales
	a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom