| uranoschisis | Cleft of the hard palate. Synonym: uraniscochasm. Origin: urano-+ G. Schisis, fissure (05 Mar 2000) |
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| uranoso- | <chemistry, prefix> A combining form (also used adjectively) from uranium; used in naming certain complex compounds; as in uranoso-uranic oxide, uranoso-uranic sulphate. (29 Oct 1998) |
| uranostaphyloplasty | Repair of a cleft of both hard and soft palate. Synonym: uranostaphylorrhaphy. Origin: urano-+ G. Staphyle, uvula, + plasso, to form (05 Mar 2000) |
| uranostaphylorrhaphy | Repair of a cleft of both hard and soft palate. Synonym: uranostaphylorrhaphy. Origin: urano-+ G. Staphyle, uvula, + plasso, to form (05 Mar 2000) |
| uranostaphyloschisis | Cleft of the soft and hard palates. Synonym: uranoveloschisis. Origin: urano-+ G. Staphyle, uvula, + schisis, fissure (05 Mar 2000) |
| uranous | <chemistry> Pertaining to, or containing, uranium; designating those compounds in which uranium has a lower valence as contrasted with the uranic compounds. Source: Websters Dictionary (01 Mar 1998) |
| uranoveloschisis | Cleft of the soft and hard palates. Synonym: uranoveloschisis. Origin: urano-+ G. Staphyle, uvula, + schisis, fissure (05 Mar 2000) |
| uranus | 1. The son or husband of Gaia (Earth), and father of Chronos (Time) and the Titans. 2. <astronomy> One of the primary planets. It is about 1,800,000,000 miles from the sun, about 36,000 miles in diameter, and its period of revolution round the sun is nearly 84 of our years. This planet has also been called Herschel, from Sir William Herschel, who discovered it in 1781, and who named it Georgium Sidus, in honor of George III, then King of England. Origin: L. Uranus, Gr. O'yranos Uranus, o'yranos heaven, sky. Cf. Uranium. Source: Websters Dictionary (01 Mar 1998) |
| uranyl | <chemistry> The radical UO2, conveniently regarded as a residue of many uranium compounds. Origin: Uranium + -yl. Source: Websters Dictionary (01 Mar 1998) |
| uranyl acetate | <chemical> Uranium salt that is very electron dense and that is used as a stain in electron microscopy, usually for staining nucleic acid containing structures in sections. (18 Nov 1997) |
| uranyl acetate stain | <technique> A stain used in electron microscopy; uranyl acetate binds specifically to nucleic acids but selectively tends to be abolished by osmium fixation; proteins are well stained, but cytomembranes are poorly stained. (05 Mar 2000) |
| uranyl nitrate | <chemical> Bis(nitrato-o)dioxouranium. A compound used in photography and the porcelain industry. It causes severe renal insufficiency and renal tubular necrosis in mammals and is an effective lymphocyte mitogen. Chemical name: Uranium, bis(nitrato-O)dioxo-, (T-4)- (12 Dec 1998) |
| urao | <chemical> See Trona. Origin: Sp. Source: Websters Dictionary (01 Mar 1998) |
| urapidil | An antihypertensive agent which acts by influencing serotonin receptors. (05 Mar 2000) |
| uraroma | A spicy, aromatic odour of the urine. Origin: G. Ouron, urine, + aroma, spice (05 Mar 2000) |