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Definition of: chemotropism
(ki·mot′rə·piz′əm) noun
1. Biol. The response of a plant or animal organism to a chemical reaction, as by unequal growth or directed movements.
2. Chemotaxis. [<CHEMO- + TROPISM]
—chem·o·trop·ic (kem′·ō·trop′ik) adjective
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