Meaning of SYSTEMIC in English

I. sə̇ˈstemik, -mēk adjective

Etymology: system + -ic

: of, relating to, or common to a system: as

a. : affecting the body generally — distinguished from local

systemic death

systemic wilt in plants

b. : supplying those parts of the body that receive blood through the aorta rather than the pulmonary artery

c. : being a pesticide which as used is harmless to a plant or higher animal but when absorbed into the sap or blood stream makes the whole organism toxic to pests (as aphids, mites, or cattle grubs)

II. noun

( -s )

: a systemic pesticide

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.