metamer
Met"a*mer, n. Etym: [See Metamere.] (Chem.) Defn: Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene.
Met"a*mer, n. Etym: [See Metamere.] (Chem.) Defn: Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene.