dɪsˈtʃɑɹdʒ ˌɛməˈneɪʃən ɪˈmɪʃən the act of emitting; causing to flow forth the occurrence of a flow of water (as from a pipe) any of several bodily processes by which substances go out of the body the discharge of pus the release of electrons from parent atoms a substance that is emitted or released