| RBA | relative binding affinity; rescue breathing apparatus; right basilar artery; right brachial artery; ... |
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| RIRB | radioiodinated rose bengal |
| ESSENCE | Efficacy and Safety of Subcutaneous Enoxaparin in Non-Q wave Coronary Events |
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| RB | Rose Bengal |
| RBPT | Rose Bengal Plate Test |
| RBT | Rose Bengal Test |
| essence of rose | A volatile oil from the fresh flowers of Rosa gallica and R. Damascena and other members of the Rosaceae family. Used largely in perfumery; ointments, and toilet preparations. Synonym: attar of rose, essence of rose, otto of rose. (05 Mar 2000) |
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| essence | 1. The constituent elementary notions which constitute a complex notion, and must be enumerated to define it; sometimes called the nominal essence. 2. The constituent quality or qualities which belong to any object, or class of objects, or on which they depend for being what they are (distinguished as real essence); the real being, divested of all logical accidents; that quality which constitutes or marks the true nature of anything; distinctive character; hence, virtue or quality of a thing, separated from its grosser parts. "The laws are at present, both in form and essence, the greatest curse that society labors under." (Landor) "Gifts and alms are the expressions, not the essence of this virtue [charity]" (Addison) "The essence of Addison's humor is irony." (Courthope) 3. Constituent substance. "And uncompounded is their essence pure." (Milton) 4. A being; especially, a purely spiritual being. "As far as gods and heavenly essences Can perish." (Milton) "He had been indulging in fanciful speculations on spiritual essences, until . . . He had and ideal world of his own around him." (W. Irving) 5. The predominant qualities or virtues of a plant or drug, extracted and refined from grosser matter; or, more strictly, the solution in spirits of wine of a volatile or essential oil; as, the essence of mint, and the like. "The . . . Word essence . . . Scarcely underwent a more complete transformation when from being the abstract of the verb "to be," it came to denote something sufficiently concrete to be inclosed in a glass bottle." (J. S. Mill) 6. Perfume; odour; scent; or the volatile matter constituting perfume. "Nor let the essences exhale." (Pope) Origin: F. Essence, L. Essentia, formed as if fr. A p. Pr. Of esse to be. See Is, and cf. Entity. Source: Websters Dictionary (01 Mar 1998) |
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| attar of rose | Synonym: rose oil, oil of rose. Origin: Pers. Attara, to smell sweet (05 Mar 2000) |
| rose | 1. A flower and shrub of any species of the genus Rosa, of which there are many species, mostly found in the morthern hemispere Roses are shrubs with pinnate leaves and usually prickly stems. The flowers are large, and in the wild state have five petals of a colour varying from deep pink to white, or sometimes yellow. By cultivation and hybridizing the number of petals is greatly increased and the natural perfume enhanced. In this way many distinct classes of roses have been formed, as the Banksia, Baurbon, Boursalt, China, Noisette, hybrid perpetual, etc, with multitudes of varieties in nearly every class. 2. A knot of ribbon formed like a rose; a rose knot; a rosette, especially. One worn on a shoe. 3. A rose window. See Rose window, below. 4. A perforated nozzle, as of a pipe, spout, etc, for delivering water in fine jets; a rosehead; also, a strainer at the foot of a pump. 5. <medicine> The erysipelas. 6. The card of the mariner's compass; also, a circular card with radiating lines, used in other instruments. 7. The colour of a rose; rose-red; pink. 8. A diamond. See Rose diamond, below. Cabbage rose, China rose, etc. See Cabbage, China, etc. Corn rose, feuds between the Houses of York and Lancaster, the white rose being the badge of the House of York, and the red rose of the House of Lancaster. Origin: AS. Rose, L. Rosa, probably akin to Gr, Armor. Vard, OPer. Vareda; and perhaps to E. Wort: cf. F. Rose, from the Latin. Cf. Copperas, Rhododendron. Source: Websters Dictionary (01 Mar 1998) |
| rose bengal | <chemical> 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3h),9'-(9h)xanthen)-3-one dipotassium salt. A bright bluish pink compound that has been used as a dye, biological stain, and diagnostic aid. Pharmacological action: fluorescent dyes. Chemical name: Rose Bengal (12 Dec 1998) |
| rose bengal radioactive test | A test of liver function used as a means of measuring hepatic blood flow and for scintillation scanning of the liver to determine size and contour of the liver, or the presence of space-occupying masses in the liver. (05 Mar 2000) |
| Rose-Bradford kidney | A form of fibrotic kidney of inflammatory origin found in young persons. (05 Mar 2000) |
| rose cephalic tetanus | A type of local tetanus that follows wounds to the face and head; after a brief incubation (1-2 days) the facial and ocular muscles become paretic yet undergo repeated tetanic spasms. The throat and tongue muscles may also be affected. Synonym: cerebral tetanus, head tetanus, hydrophobic tetanus, rose cephalic tetanus, Rose's cephalic tetanus. (05 Mar 2000) |
| rose cold | Allergic rhinitis occurring in the spring and early summer. (05 Mar 2000) |
| rose-cut | Cut flat on the reverse, and with a convex face formed of triangular facets in rows; said of diamonds and other precious stones. See Rose diamond, under Rose. Cf. Brilliant. Source: Websters Dictionary (01 Mar 1998) |
| Rose, Edmund | <person> German physician, 1836-1914. See: Rose's position, Rose's cephalic tetanus. (05 Mar 2000) |
| rose growers granuloma | <dermatology> A fungal skin infection caused by the fungus Sporothrix schenckii and commonly seen in gardeners. (27 Sep 1997) |
| Rose, H | <person> U.S. Microbiologist, *1906. See: Rose-Waaler test. (05 Mar 2000) |
| rose hips | <botany> The fleshy, light coloured fruit of the rose. Rose hips are an extremely rich source of vitamin C, approximately 120 times as rich as oranges. (27 Sep 1997) |
| rose oil | A volatile oil from Rosa centifolia; used in perfumery and in ointments. Synonym: attar of rose. (05 Mar 2000) |
| rose-red | <zoology> Red as a rose; specifically, of a pure purplish red colour. Source: Websters Dictionary (01 Mar 1998) |
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