mandarin orange vs mandarin orange

mandarin orange and mandarin orange both are nouns.

Word	Noun	Adjective	Verb	Adverb
mandarin orange	Yes	No	No	No
mandarin orange	Yes	No	No	No

mandarin orange (noun)	mandarin orange (noun)
a somewhat flat reddish-orange loose skinned citrus of China	a somewhat flat reddish-orange loose skinned citrus of China
shrub or small tree having flattened globose fruit with very sweet aromatic pulp and thin yellow-orange to flame-orange rind that is loose and easily removed; native to southeastern Asia	shrub or small tree having flattened globose fruit with very sweet aromatic pulp and thin yellow-orange to flame-orange rind that is loose and easily removed; native to southeastern Asia