adj :  of, relating to, or common to a system: as  a  :  affecting the body generally - compare LOCAL   b  :  supplying those parts of the body that receive blood through the aorta rather than through the pulmonary artery  c  :  being a pesticide that as used is harmless to a higher animal or a plant but when absorbed into the bloodstream or the sap makes the whole organism toxic to pests (as cattle grubs, mites, or aphids) sys*tem*i*cal*ly adv 
, n :  a systemic pesticide .
 
 
 
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