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phytoalexin
phytoalexin definition
phyto·alex·in (fīt′ō ə lek′sin)
noun
an antibiotic produced by a plant in response to the intrusion of a disease-producing agent, esp. a fungus
Etymology: < phyto- + Gr alexein, to defend
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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