dry plate process vs dry plate

dry plate process and dry plate both are nouns.

Word	Noun	Adjective	Verb	Adverb
dry plate process	Yes	No	No	No
dry plate	Yes	No	No	No

As nouns, dry plate process and dry plate are synonyms defined as:

dry plate process and dry plate: a former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion

dry plate process (noun)	dry plate (noun)
a former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion	a former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion