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Definition of: aerotropism
(âr·ot′rəpiz′əm, ā′ə·rot′-) noun Biol.
A change in orientation of a plant affected by differential growth of tissues in response to the presence of air or oxygen.
—aer·o·trop·ic (âr′ə·trop′ik, ā′ər·ə-) adjective
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