| picornaviridae infections | Virus diseases caused by the picornaviridae. (12 Dec 1998) |
|---|---|
| picornavirus | A virus of the family Picornaviridae. (05 Mar 2000) |
| picotine | <botany> A variety of carnation having petals of a light colour variously dotted and spotted at the edges. Origin: F. Picote dotted, picked. Source: Websters Dictionary (01 Mar 1998) |
| 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) |
| 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) |
| picric | <chemistry> Pertaining to, or designating, a strong organic acid (called picric acid), intensely bitter. Picric acid is obtained by treating phenol with strong nitric acid, as a brilliant yellow crystalline substance, C6H2(NO2)3.OH. It is used in dyeing silk and wool, and also in the manufacture of explosives, as it is very unstable when heated. Synonym: trinitrophenol, and formerly carbazotic acid. Origin: Gr. Bitter. Source: Websters Dictionary (01 Mar 1998) |
| picric acid | C6H2(NO2)3OH; 2,4,6-Trinitrophenol;has been used as an application in burns, eczema, erysipelas, and pruritus. Synonym: carbazotic acid, nitroxanthic acid. Origin: G. Pikros, bitter (05 Mar 2000) |
| picrite | <chemical> A dark green igneous rock, consisting largely of chrysolite, with hornblende, augite, biotite, etc. Origin: From Gr. Bitter. Source: Websters Dictionary (01 Mar 1998) |
| picro-Mallory trichrome stain | <technique> A modification of Mallory's trichrome stain that involves the addition of picric acid. (05 Mar 2000) |
| picrocarmine | See: picrocarmine stain. (05 Mar 2000) |
| picrocarmine stain | <technique> A red crystalline powder derived from a solution of carmine, ammonia, and picric acid which is evaporated, leaving the powder (soluble in water); it produces excellent staining of keratohyaline granules. (05 Mar 2000) |
| picroformol | See: picroformol fixative. (05 Mar 2000) |
| picroformol fixative | A fixative containing formalin and picric acid. (05 Mar 2000) |