process of elimination

:  progress, advance

:  something going on :  proceeding

:  a natural phenomenon marked by gradual changes that lead toward a particular result

:  to proceed against by law :  prosecute

:  to take out a summons against

:  to serve a summons on

:  treated or made by a special process especially when involving synthesis or artificial modification

:  made by or used in a mechanical or photomechanical duplicating process

:  of or involving illusory effects usually introduced during processing of the film

:  to move in a procession

:  the act, process, or an instance of eliminating or discharging: such as

:  the act of discharging or excreting waste products from the body

:  the removal from a molecule of the constituents of a simpler molecule — compare addition 4