methylmalonic aciduria meth·yl·ma·lo·nic aciduria (měth’əl-mə-lō’nĭk, -lŏn’ik)
A metabolic disorder resulting from an enzyme deficiency and characterized by the presence of excessive amounts of methylmalonic acid in the urine; it can be congenital or acquired because of a vitamin B12 deficiency.
noun, Chemistry. 1. a colorless liquid, C 4 H 8 O 3 , soluble with water and most organic liquids: used chiefly as a solvent for cellulose acetate.
[meth-uh l-mur-kyuh-ree] /ˌmɛθ əlˈmɜr kyə ri/ noun, Chemistry. 1. any of several extremely toxic organometallic compounds, Hg(CH 3) 2 , formed from metallic by the action of microorganisms and capable of entering the food chain: used as seed disinfectants.
noun, Chemistry. 1. a colorless, volatile, flammable, water-insoluble, liquid, unsaturated ester, C 5 H 8 O 2 , that polymerizes readily to a clear plastic. noun 1. a colourless liquid compound, used in the manufacture of certain methacrylate resins. Formula: CH2C(CH3)COOCH3
methylmorphine meth·yl·mor·phine (měth’əl-môr’fēn’) n. See codeine.