plutonio 69
plutonium . ( Of the lat. )( Pluto, - onis ). 1. m. radioactive chemical element obtained artificially from No. atóm. 94. The Group of the actinide metal, is very reactive, high radiotoxicidad and similar to the uranium properties. All its isotopes are radioactive and are used as fuels and explosives in the nuclear industry. (Símb.) Pu ).