Medical Dictionary


adj re·sid·u·al \ri-ˈzij-(ə-)wəl, -ˈzij-əl\

Medical Definition of RESIDUAL

:  of, relating to, or being something that remains: as a :  remaining after a disease or operation <residual paralysis> b :  remaining in a body cavity after maximum normal expulsion has occurred <residual urine>—see residual volume
a :  leaving a residue that remains effective for some time after application <residual insecticides> b :  of or relating to a residual insecticide <a residual spray>
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