| papaver | <botany> A genus of plants, including the poppy. Origin: L, poppy. Source: Websters Dictionary (01 Mar 1998) |
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| papaveraceous | <botany> Of, pertaining to, or resembling, a natural order of plants (Papaveraceae) of which the poppy, the celandine, and the bloodroot are well-known examples. Source: Websters Dictionary (01 Mar 1998) |
| papaveretum | A preparation of water soluble opium alkaloids, including 50% anhydrous morphine. Origin: L. Papaver, poppy (05 Mar 2000) |
| papaverine | <chemistry> An alkaloid found in opium. It has a weaker therapeutic action than morphine. Source: Websters Dictionary (01 Mar 1998) |