an act or instance of emanating.

something that emanates or is emanated.

Physical Chemistry . a gaseous product of radioactive disintegration, including radon, thoron, and actinon. Symbol

Em

noun

taking , withdrawal

noun

arising , beginning , derivation , drainage , effluence , effluent , efflux , effusion , ejaculation , emerging , emission , escape , exhalation , exudation , flow , flowing , gush , issuance , issuing , leakage , oozing , origin , origination , outflow , outpour , proceeding , radiation , springing , welling , aura , cachet , effluvium , issue , odor , outcome