单词 | physic nut |
释义 | physic nut/ˈfɪzɪk ˌnʌt/noun A tropical American shrub, Jatropha curcas (family Euphorbiaceae), having large, roundish to heart-shaped, sometimes lobate leaves and a reddish, milky sap (more fully physic-nut bush, physic-nut tree); the fruit or seed of this shrub, yielding pulza oil and used as a purgative. Also: any of various other tropical American plants, especially of the genus Jatropha, whose seeds have a similar purgative effect, especially (a) (more fully French physic nut) J. multifida; (b) (more fully wild physic nut) J. gossypiifolia. OriginMid 17th century; earliest use found in Richard Ligon (c1585–1662), business agent and natural science writer. From physic + nut. |
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