indented cylinder vs cylinder separator

indented cylinder and cylinder separator both are nouns.

Word	Noun	Adjective	Verb	Adverb
indented cylinder	Yes	No	No	No
cylinder separator	Yes	No	No	No

As nouns, indented cylinder and cylinder separator are synonyms defined as:

indented cylinder and cylinder separator: a machine for separating grain by kernel length.

Other synonyms of indented cylinder include indented cylinder separator.

indented cylinder (noun)	cylinder separator (noun)
a machine for separating grain by kernel length.	a machine for separating grain by kernel length.