| bunoselenodont | Having molar teeth with crescentic ridges and rounded cusps on the occlusal surface. Origin: bunos, + selene, moon, + odous, tooth (05 Mar 2000) |
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| Bunostomum | A genus of hookworms (family Ancylostomatidae, subfamily Necatorinae) found in cattle and other herbivores; similar to Necator. Origin: G. Bounos, hill, mound, + stoma, mouth (05 Mar 2000) |
| Bunostomum phlebotomum | A species that occurs in cattle, sheep, and some wild ruminants in many parts of the world. (05 Mar 2000) |
| Bunostomum trigonocephalum | A cosmopolitan hookworm species in the small intestines of sheep and goats. (05 Mar 2000) |
| bunsen burner | A small, widely-used piece of laboratory equipment which produces an adjustable gas flame for the purposes of heating chemical reactions and the short-term sterilisation of other small pieces of laboratory equipment. (09 Oct 1997) |
| Bunsen's solubility coefficient | The milliliters of gas STPD dissolved per milliliter of liquid and per atmosphere (760 mm Hg) partial pressure of the gas at any given temperature. (05 Mar 2000) |
| Bunsen, Robert | <person> German chemist and physicist, 1811-1899. See: Bunsen burner, Bunsen's solubility coefficient, Bunsen-Roscoe law. (05 Mar 2000) |
| Bunsen-Roscoe law | In two photochemical reactions, e.g., the darkening of a photographic plate or film, if the product of the intensity of illumination and the time of exposure are equal, the quantities of chemical material undergoing change will be equal; the retina for short periods of exposure obeys this law. Synonym: reciprocity law, Roscoe-Bunsen law. (05 Mar 2000) |
| bunt | <botany> A fungus (Ustilago foetida) which affects the ear of cereals, filling the grains with a fetid dust; also called pepperbrand. Source: Websters Dictionary (01 Mar 1998) |
| bunter | A woman who picks up rags in the streets; hence, a low, vulgar woman. "Her . . . Daughters, like bunters in stuff gowns." (Goldsmith) Source: Websters Dictionary (01 Mar 1998) |
| bunting | <zoology> A bird of the genus Emberiza, or of an allied genus, related to the finches and sparrows (family Fringillidae). Among European species are the common or corn bunting (Emberiza miliaria); the ortolan (E. Hortulana); the cirl (E. Cirlus); and the black-headed (Granitivora melanocephala). American species are the bay-winged or grass (Poocaetes or Pooecetes gramineus); the black-throated (Spiza Americana); the towhee bunting or chewink (Pipilo); the snow bunting (Plectrophanax nivalis); the rice bunting or bobolink, and others. See Ortolan, Chewick, Snow bunting, Lark bunting. Origin: Scot. Buntlin, corn-buntlin, OE. Bunting, buntyle; of unknown origin. Source: Websters Dictionary (01 Mar 1998) |
| Bunyamwera fever | A febrile illness of humans in Africa caused by the Bunyamwera virus and transmitted by culicine mosquitoes. (05 Mar 2000) |
| bunyamwera group viruses | A large group of viruses from many parts of the world assigned to the bunyavirus genus of the family bunyaviridae. They are transmitted by mosquitoes and infect humans in some areas. This group contains the type species of the genus, bunyamwera virus. (12 Dec 1998) |
| Bunyamwera virus | A serologic group of the genus Bunyavirus, composed of over 150 virus types in the family Bunyaviridae. Origin: Bunyamwera, Uganda, where first isolated (05 Mar 2000) |
| Bunyaviridae | <molecular biology, virology> A family of arboviruses composed of more than 200 viruses, including the genera: Bunyavirus, Hantavirus, Phlebovirus, Nairovirus, Uukuvirus. These single-stranded RNA enveloped viruses are spherical or oval and measure 90-100nm in diameter and are all sensitive to lipid solvents and detergents. They infect vertebrates and arthropods and some genera contain organisms causing serious disease for example viral haemorrhagic fever. (18 Nov 1997) |