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| 1. | Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health. |
| 2. | of or pertaining to phytochemistry or phytochemicals. |
phy·to·nu·tri·ent (fī'tō-nōō'trē-ənt, -nyōō'-) n. See phytochemical. |