| NOUN | substance | plant toxin, phytotoxin | any substance produced by plants that is similar in its properties to extracellular bacterial toxin |
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| Meaning | Any substance produced by plants that is similar in its properties to extracellular bacterial toxin. | |
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| Synonym | phytotoxin | |
| Narrower | brucine | A bitter alkaloid poison resembling strychnine and extracted from nux vomica |
| hemlock | poisonous drug derived from an Eurasian plant of the genus Conium | |
| mycotoxin | A toxin produced by a fungus | |
| nicotine | An alkaloid poison that occurs in tobacco | |
| strychnine | An alkaloid plant toxin extracted chiefly from nux vomica | |
| tubocurarine, curare | A toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles | |
| Broader | toxin | A poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species |
| Spanish | fitotoxina | |
| Catalan | fitotòxic, fitotoxina | |
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