metameric vs segmental

metameric and segmental both are adjectives.

Word	Noun	Adjective	Verb	Adverb
metameric	No	Yes	No	No
segmental	No	Yes	No	No

As adjectives, metameric and segmental are synonyms defined as:

metameric and segmental: having the body divided into successive metameres or segments, as in earthworms or lobsters

Other synonyms of metameric include segmented.

metameric (adjective)	segmental (adjective)
having the body divided into successive metameres or segments, as in earthworms or lobsters	having the body divided into successive metameres or segments, as in earthworms or lobsters
	divided or organized into speech segments or isolable speech sounds