| sweet precipitate | HgCl;mild mercury chloride; mercury monochloride, protochloride, or subchloride; has been used as an intestinal antiseptic and laxative; replaced by safer agents. Synonym: mercurous chloride, sweet precipitate. Origin: Mediev. L., fr. G. Kalos, beutiful, + melas, black (05 Mar 2000) |
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| Sweet, Robert Douglas | <person> 20th century English dermatologist. See: Sweet's disease. (05 Mar 2000) |
| sweet-scented | Having a sweet scent or smell; fragrant. <botany> Sweet-scented shrub, a shrub of the genus Calycanthus, the flowers of which, when crushed, have a fragrance resembling that of strawberries. Source: Websters Dictionary (01 Mar 1998) |
| Sweet's disease | A rare dermatosis, predominant in women, of rapid onset and characterised by plaque-like lesions, usually multiple, on the face, neck, and upper extremities, accompanied by conjunctivitis, mucosal lesions, fever, malaise, arthralgia, and peripheral blood neutrophilia in many cases; biopsy reveals polymorphonuclear infiltrate of the dermis; rapid remission occurs with systemic steroid therapy. Synonym: Sweet's disease. (05 Mar 2000) |
| sweet-sop | <botany> A kind of custard apple (Anona squamosa). See Custard. Source: Websters Dictionary (01 Mar 1998) |
| Sweet's syndrome | <syndrome> This rare condition is characterised by red-brown plaques and nodules that are frequently painful and occur primarily on the head, neck and upper extremities. The patients will also have fever and increased white blood cell counts (neutrophils). In approximately 10% of the patients there is an associated malignancy, most commonly acute nonlymphocytic leukaemia. The idiopathic form (unknown cause) of Sweet's syndrome is seen more often in females following a respiratory tract infection. (19 Jan 1998) |
| oil of bitter orange | Volatile oil obtained by steam distillation from the fresh peel of Citrus aurantium (family Rutaceae). Aromatic material used as a flavoring agent in pharmaceuticals and foods and liquors; also used in perfumes. (05 Mar 2000) |
| orange | 1. <botany> The fruit of a tree of the genus Citrus (Citrus Aurantium). It is usually round, and consists of pulpy carpels, commonly ten in number, inclosed in a leathery rind, which is easily separable, and is reddish yellow when ripe. There are numerous varieties of oranges; as, the bitter orange, which is supposed to be the original stock; the navel orange, which has the rudiment of a second orange imbedded in the top of the fruit; the blood orange, with a reddish juice; and the horned orange, in which the carpels are partly separated. 2. <botany> The tree that bears oranges; the orange tree. 3. The colour of an orange; reddish yellow. 4. <zoology> Mock orange, any species of scale insects which infests orange trees; especially, the purple scale (Mytilaspis citricola), the long scale (Mytilaspis Gloveri), and the red scale (Aspidiotus Aurantii). Origin: F.; cf. It. Arancia, arancio, LL. Arangia, Sp. Naranjia, Pg. Laranja; all fr. Ar. Naranj, Per. Naranj, narang; cf. Skr. Naranga orange tree. The o- in F. Orange is due to confusion with or gold, L. Aurum, because the orange resembles gold in colour. (06 Mar 1998) |
| orange G | An azo dye, C16H10N2O7S2Na2, used as a cytoplasmic stain in histologic techniques. (05 Mar 2000) |
| orange wood | A soft wood used in dentistry for placement of bridges, crowns, etc. By biting pressure, also used as a burnishing point in the polishing of root surfaces. (05 Mar 2000) |
| osage orange | <botany> An ornamental tree of the genus Maclura (M. Aurantiaca), closely allied to the mulberry (Morus); also, its fruit. The tree was first found in the country of the Osage Indians, and bears a hard and inedible fruit of an orangelike appearance. See Bois d'arc. Source: Websters Dictionary (01 Mar 1998) |