phytoalexin


phy·to·alex·in

noun \ˌfī-tō-ə-ˈlek-sən\

Definition of PHYTOALEXIN

: any of various antimicrobial chemical substances produced by plants to combat infection by a pathogen (as a fungus)

Origin of PHYTOALEXIN

International Scientific Vocabulary phyt- + alexin substance combating infection, from Greek alexein to ward off, protect; akin to Sanskrit rakṣati he protects
First Known Use: 1949

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