| butt | <zoology> The common English flounder. Source: Websters Dictionary (01 Mar 1998) |
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| butt log | The log taken from the base of a tree; often slightly irregular. (05 Dec 1998) |
| butter | 1. An oily, unctuous substance obtained from cream or milk by churning. 2. Any substance resembling butter in degree of consistence, or other qualities, especially, in old chemistry, the chloridess, as butter of antimony, sesquichloride of antimony; also, certain concrete fat oils remaining nearly solid at ordinary temperatures, as butter of cacao, vegetable butter, shea butter. <botany> Butter and eggs, a tree of the genus Bassia, the seeds of which yield a substance closely resembling butter. The butter tree of India is the B. Butyracea; that of Africa is the Shea tree (B. Parkii). See Shea tree. Butter trier, a tool used in sampling butter. Butter wife, a woman who makes or sells butter. Synonym: butter woman. Origin: OE. Botere, butter, AS. Butere, fr. L. Butyrum, Gr.; either fr. Ox, cow + cheese; or, perhaps, of Scythian origin. Cf. Cow. Source: Websters Dictionary (01 Mar 1998) |
| butter of bismuth | BiCl3;addition of water results in formation of bismuth oxychloride. Synonym: butter of bismuth. (05 Mar 2000) |
| butter of zinc | ZnCl2;formerly used as a caustic for the removal of cutaneous cancers, nevi, etc., and in weak solution in the treatment of gonorrhoea and conjunctivitis. Synonym: butter of zinc. (05 Mar 2000) |
| butter stools | Fatty stool's, occurring especially in steatorrhoea. (05 Mar 2000) |
| butter yellow | C6H5N:NC6H4N(CH3)2;a fat-soluble yellow dye (MW 225) that has hepatic carcinogenic action in experimental animals; used as an indicator of pH (red, at pH 2.9, yellow at pH 4.0). Synonym: dimethylaminoazobenzene, methyl yellow. (05 Mar 2000) |
| butterball | <zoology> The buffel duck. Source: Websters Dictionary (01 Mar 1998) |
| butterbird | <zoology> The rice bunting or bobolink; so called in the island of Jamaica. Source: Websters Dictionary (01 Mar 1998) |
| butterbump | <zoology> The European bittern. Origin: OE. Buttur the bittern + 5th bump. Source: Websters Dictionary (01 Mar 1998) |
| butterbur | <botany> A broad-leaved plant (Petasites vulgaris) of the Composite family, said to have been used in England for wrapping up pats of butter. Source: Websters Dictionary (01 Mar 1998) |
| buttercup | <botany> A plant of the genus Ranunculus, or crowfoot, particularly R. Bulbosus, with bright yellow flowers; called also butterflower, golden cup, and kingcup. It is the cuckoobud of Shakespeare. Source: Websters Dictionary (01 Mar 1998) |
| butterfish | <zoology> A name given to several different fishes, in allusion to their slippery coating of mucus, as the Stromateus triacanthus of the Atlantic coast, the Epinephelus punctatus of the southern coast, the rock eel, and the kelpfish of New Zealand. Source: Websters Dictionary (01 Mar 1998) |
| butterflies | Slender-bodies diurnal insects having large, broad wings often strikingly coloured and patterned. (12 Dec 1998) |
| butterfly | Origin: Perh. From the colour of a yellow species. AS. Buter-flege, buttor-fleoge; cf. G. Butterfliege, D. Botervlieg. See Butter, and Fly. <zoology> A general name for the numerous species of diurnal Lepidoptera. See: Illust. Under Aphrodite] Asclepias butterfly. See Asclepias. Butterfly fish, a kind of double clack valve, consisting of two semicircular clappers or wings hinged to a cross rib in the pump bucket. When open it somewhat resembles a butterfly in shape. Source: Websters Dictionary (01 Mar 1998) |