1. (

• emission ,
• emanation

) the act of emitting; causing to flow forth ;

2. (

• discharge ,
• emission

) a substance that is emitted or released ;

3. (

• emission

) the release of electrons from parent atoms ;

4. (

• discharge ,
• emission ,
• expelling

) any of several bodily processes by which substances go out of the body; "the discharge of pus" ;

5. (

• emission

) the occurrence of a flow of water (as from a pipe) ;