Meaning of SYSTEMIC in English

[adjective] [specialized]A systemic drug, disease or poison reaches and has an effect on the whole of a body or a plant and not just one part of it.systemic drugssystemic fungicides(formal) A systemic problem or change is a basic one, experienced by the whole of an organization or a country and not just particular parts of it.The current recession is the result of a systemic change within the structure of the country's economy.

Cambridge English vocab.      Кембриджский английский словарь.