Definition of phytoalexin
: any of various antimicrobial chemical substances produced by plants to combat infection by a pathogen (such as a fungus)
Origin and Etymology 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: 1949See Words from the same year
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