| picra | <medicine> The powder of aloes with canella, formerly officinal, employed as a cathartic. Origin: L, fr. Gr. Sharp, bitter. Source: Websters Dictionary (01 Mar 1998) |
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| picramic acid | 2-Amino-4,6-dinitrophenol;red crystals sometimes found in the blood of persons poisoned with picric acid; formed as a result of partial reduction of the latter. (05 Mar 2000) |
| Picrasma | See: quassia. Origin: L., fr. G. Pikrasmos, bitterness (05 Mar 2000) |
| picrate | <chemistry> A salt of picric acid. Source: Websters Dictionary (01 Mar 1998) |