MAO n 1: an enzyme that catalyzes the oxidation of many body compounds (e.g., epinephrine and norepinephrine and serotonin) [syn: {monoamine oxidase}] 2: Chinese communist leader (1893-1976) [syn: {Mao Zedong}, {Mao Tsetung}]
MAO An early {symbolic mathematics} system. [A. Rom, Celest Mech 1:309-319 (1969)]. (1995-02-10)