emission
1. [ noun ] the act of emitting; causing to flow forth
Synonyms: emanation
Related terms: egress radiation discharge emit emanate
2. [ noun ] (biology) any of several bodily processes by which substances go out of the body
Synonyms: discharge expelling
Examples:

"the discharge of pus"

Related terms: bodily_process menstruation elimination ejaculation discharge
3. [ noun ] (physics) the release of electrons from parent atoms
Related terms: release radioactivity thermionic_emission secondary_emission photoelectric_emission field_emission photoemission
4. [ noun ] a substance that is emitted or released
Synonyms: discharge
Related terms: material vaginal_discharge effluvium transudate rheum exudate
5. [ noun ] the occurrence of a flow of water (as from a pipe)
Related terms: flow