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systemic

systemic [ si stémmik, si stmik ]


adjective 
Definition:
 
1. of system: relating to or affecting a system as a whole

2. physiology affecting whole body: affecting the whole body, as distinct from having a local effect
a systemic infection

3. botany affecting whole plant: describes a herbicide or other chemical that works by spreading through all the tissues of a plant instead of just staying on the surface



noun  (plural systemics)
Definition:
 
agriculture systemic chemical: a systemic herbicide, pesticide, or other chemical


systemically adverb
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