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