METAMERE
Met"a*mere, n. Etym: [Pref. meta- + -mere.] (Biol.)
Defn: One of successive or homodynamous parts in animals and plants; one of a series of similar parts that follow one another in a vertebrate or articulate animal, as in an earthworm; a segment; a somite. See Illust. of Loeven's larva.
METAMERIC
Met`a*mer"ic, a. Etym: [Pref. meta- + Gr.
1. (Chem.)
Defn: Having the same elements united in the same proportion by weight, and with the same molecular weight, but possessing a different structure and different properties; as, methyl ether and ethyl alcohol are metameric compounds. See Isomeric.
Note: The existence of metameric compounds is due to the different arrangement of the same constituents in the molecule.
2. (Biol.)
Defn: Of or pertaining to a metamere or its formation; as, metameric segmentation.
METAMERICALLY
Met`a*mer"ic*al*ly, adv.
Defn: In a metameric manner.