METALAMMONIUM
Met`al*am*mo"ni*um, n. Etym: [Metal + ammonium.] (Chem.)
Defn: A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen.
METALBUMIN
Met`al*bu"min, n. Etym: [Pref. met- + albumin.] (Physiol. Chem.)
Defn: A form of albumin found in ascitic and certain serous fluids.
It is sometimes regarded as a mixture of albumin and mucin.
METALDEHYDE
Me*tal"de*hyde, n. Etym: [Pref. met- + aldehyde.] (Chem.)
Defn: A white crystalline substance isomeric with, and obtained from, acetic aldehyde by polymerization, and reconvertible into the same.
METALEPSIS
Met`a*lep"sis, n.; pl. Metalepses. Etym: [L., fr. Gr. (Rhet.)
Defn: The continuation of a trope in one word through a succession of significations, or the union of two or more tropes of a different kind in one word.
METALEPSY
Met"a*lep`sy, n. (Chem.)
Defn: Exchange; replacement; substitution; metathesis. [R.]