emulsion vs photographic emulsion

emulsion and photographic emulsion both are nouns.

Word	Noun	Adjective	Verb	Adverb
emulsion	Yes	No	No	No
photographic emulsion	Yes	No	No	No

As nouns, emulsion and photographic emulsion are synonyms defined as:

emulsion and photographic emulsion: a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin

emulsion (noun)	photographic emulsion (noun)
a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin	a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin
(chemistry) a colloid in which both phases are liquids