| butylene glycols | 4-carbon straight chain aliphatic hydrocarbons substituted with two hydroxyl groups. The hydroxyl groups cannot be on the same carbon atom. (12 Dec 1998) |
|---|---|
| butylhydroxybutylnitrosamine | <chemical> A substituted carcinogenic nitrosamine. Pharmacological action: carcinogens. Chemical name: 1-Butanol, 4-(butylnitrosoamino)- (12 Dec 1998) |
| butylparaben | Butyl p-hydroxybenzoate;an antifungal preservative. (05 Mar 2000) |
| butylscopolammonium bromide | <chemical> Antimuscarinic quaternary ammonium derivative of scopolamine used to treat cramps in gastrointestinal, urinary, uterine, and biliary tracts, and to facilitate radiologic visualization of the gastrointestinal tract. Pharmacological action: muscarinic antagonists, parasympatholytics. Chemical name: 3-Oxa-9-azoniatricyclo(3.3.1.02,4)nonane, 9-butyl-7-(3-hydroxy-1-oxo-2-phenylpropoxy)-9-methyl-, bromide, (7(S)-(1alpha,2beta,4beta,5alpha,7beta))- (12 Dec 1998) |
| butyraceous | Buttery in consistency. (05 Mar 2000) |
| butyrate | <chemistry> A salt of butyric acid. Source: Websters Dictionary (01 Mar 1998) |
| butyrate-CoA ligase | Fatty acid thiokinase (medium chain), a ligase forming acyl-CoA's from medium-chain fatty acids and CoA with the conversion of ATP to AMP and PPi. A key step in activation of fatty acids. Synonym: acyl-activating enzyme, butyryl-CoA synthetase, octanoyl-CoA synthetase. (05 Mar 2000) |
| butyric | <chemistry> Pertaining to, or derived from, butter. Butyric acid, C3H7.CO2H, an acid found in butter; an oily, limpid fluid, having the smell of rancid butter, and an acrid taste, with a sweetish aftertaste, like that of ether. There are two metameric butyric acids, called in distinction the normal- and iso-butyric acid. The normal butyric acid is the one common in rancid butter. Source: Websters Dictionary (01 Mar 1998) |
| butyric acid | An acid of unpleasant odour occurring in butter, cod liver oil, sweat, and many other substances. It exists in two forms: (05 Mar 2000) |
| butyric acids | 4-carbon saturated monocarboxylic acids. (12 Dec 1998) |
| butyrin | <physiology> A butyrate of glycerin; a fat contained in small quantity in milk, which helps to give to butter its peculiar flavor. Source: Websters Dictionary (01 Mar 1998) |
| butyrocholinesterase | <enzyme> An enzyme that breaks down acetylcholine tostop its action. (22 May 1997) |
| butyroid | 1. Buttery. 2. Resembling butter. (05 Mar 2000) |
| butyrometer | An instrument for determining the amount of butterfat in milk. Origin: G. Boutyron, butter, + metron, measure (05 Mar 2000) |
| butyrone | <chemistry> A liquid ketone obtained by heating calcium butyrate. Origin: Butyric + -one. Source: Websters Dictionary (01 Mar 1998) |