| prandial | Relating to a meal. Origin: L. Prandium, breakfast (05 Mar 2000) |
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| prangos | <botany> A genus of umbelliferous plants, one species of which (P. Pabularia), found in Thibet, Cashmere, Afghanistan, etc, has been used as fodder for cattle. It has decompound leaves with very long narrow divisions, and a highly fragrant smell resembling that of new clover hay. Origin: From the native name in Afghanistan. Source: Websters Dictionary (01 Mar 1998) |
| prank | To adorn in a showy manner; to dress or equip ostentatiously; often followed by up; as, to prank up the body. See Prink. "In sumptuous tire she joyed herself to prank." (Spenser) Origin: Cf. E. Prink, also G. Prangen, prunken, to shine, to make a show, Dan. Prange, prunke, Sw. Prunka, D. Pronken. To make ostentatious show. "White houses prank where once were huts." (M. Arnold) Source: Websters Dictionary (01 Mar 1998) |
| prase | <chemical> A variety of cryptocrystalline of a leek-green colour. Origin: L. Prasius, fr. Gr. Of a leek-green, fr. Gr. A leek: cf. F. Prase. Source: Websters Dictionary (01 Mar 1998) |
| praseodymium | <chemistry, element> An elementary substance, one of the constituents of didymium; so called from the green colour of its salts. Atomic weight: 143.6 Abbreviation: Ps Source: Websters Dictionary (01 Mar 1998) |
| praseolite | <chemical> A variety of altered iolite of a green colour and greasy luster. (30 Mar 1998) |
| prasoid | <chemical> Resembling prase. Origin: Gr. Leek. Source: Websters Dictionary (01 Mar 1998) |
| prasterone | <chemical> (3 beta)-3-hydroxyandrost-5-en-17-one. A naturally occurring androgen isolated from urine. Chemical name: Androst-5-en-17-one, 3-hydroxy-, (3beta)- (12 Dec 1998) |
| pratincole | <zoology> Any bird of the Old World genus Glareola, or family Glareolidae, allied to the plovers. They have long, pointed wings and a forked tail. Source: Websters Dictionary (01 Mar 1998) |
| Pratt | Joseph H., U.S. Physician, 1872-1956. See: Pratt's symptom. (05 Mar 2000) |
| Pratt dilators | Cylindrical metal rods of graduated sizes used to dilate the cervical canal. (05 Mar 2000) |
| Pratt's symptom | Rigidity in the muscles of an injured limb, which precedes the occurrence of gangrene. (05 Mar 2000) |
| Prausnitz | Otto Carl, German hygienist, 1876-1963. See: Prausnitz-Kustner antibody, Prausnitz-Kustner reaction, reversed Prausnitz-Kustner reaction. (05 Mar 2000) |
| Prausnitz-Kustner antibody | One of the IgE class of antibody's first demonstrated by Prausnitz and Kustner by passive transfer to the skin. See: homocytotropic antibody. Synonym: atopic reagin. (05 Mar 2000) |
| Prausnitz-Kustner reaction | A test for the presence of immediate hypersensitivity in humans; test serum from an atopic individual is injected intradermally into a normal subject; the normal subject is challenged 24-48 hours later with the antigen suspected of causing the immediate hypersensitivity reaction in the atopic individual. Synonym: P-K test. (05 Mar 2000) |