mincer vs mincing machine

mincer and mincing machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
mincer	Yes	No	No	No
mincing machine	Yes	No	No	No

As nouns, mincer and mincing machine are synonyms defined as:

mincer and mincing machine: a kitchen utensil that cuts or chops food (especially meat) into small pieces

mincer (noun)	mincing machine (noun)
a kitchen utensil that cuts or chops food (especially meat) into small pieces	a kitchen utensil that cuts or chops food (especially meat) into small pieces