| ally | 1. To unite, or form a connection between, as between families by marriage, or between princes and states by treaty, league, or confederacy; often followed by to or with. "O chief! in blood, and now in arms allied." (Pope) 2. To connect or form a relation between by similitude, resemblance, friendship, or love. "These three did love each other dearly well, And with so firm affection were allied." (Spenser) "The virtue nearest to our vice allied." (Pope) Ally is generally used in the passive form or reflexively. Origin: OE. Alien, OF. Alier, F. Alier, fr. L. Alligare to bind to; ad + ligare to bind. Cf. Alligate, Alloy, Allay, Ligament. Source: Websters Dictionary (01 Mar 1998) |
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| allyl | <chemistry> An organic radical, C3H5, existing especially in oils of garlic and mustard. Origin: L. Allium garlic + -yl. Source: Websters Dictionary (01 Mar 1998) |
| allyl alcohol | CH2==CHCH2OH; 2-propenol;a colourless liquid of pungent odour used in making resins and plasticisers; highly irritating to mucous membranes and readily absorbed, causing depression and coma. Synonym: vinyl carbinol. (05 Mar 2000) |
| allyl cyanide | CH2==CHCH2CN; 3-butenenitrile;found in some mustard oils. (05 Mar 2000) |
| allyl isothiocyanate | CH2==CH-CH2-NCS; volatile mustard CH-allylisosulfocyanate; isothiocyanic allyl ester;obtained from Brassica nigra or produced synthetically; a vesicant, used in 10% solution in 50% alcohol as a counterirritant in neuralgia. Gives mustard its characteristics flavor and aroma. See: mustard oil. Synonym: volatile mustard oil. (05 Mar 2000) |
| allyl sulfide | diallyl sulfide; thioallyl ether; oil garlic; a constituent of garlic oil used in the manufacture of flavours. (05 Mar 2000) |
| allylamine | <chemical> Possesses an unusual and selective cytotoxicity for vascular smooth muscle cells in dogs and rats. Useful for experiments dealing with arterial injury, myocardial fibrosis or cardiac decompensation. Chemical name: 2-Propen-1-amine (12 Dec 1998) |
| allylbarbital | 5-allyl-5-isobutylbarbituric acid;a barbiturate of intermediate duration of action; a sedative and hypnotic. Synonym: allylbarbital. (05 Mar 2000) |
| allylene | <chemistry> A gaseous hydrocarbon, C3H4, homologous with acetylene; propine. Source: Websters Dictionary (01 Mar 1998) |
| allylestrenol | <chemical> 17-allylestr-4-en-17 beta-ol. A synthetic steroid with progestational activity. Pharmacological action: progestational hormones, synthetic. Chemical name: Estr-4-en-17-ol, 17-(2-propenyl)-, (17beta)- (12 Dec 1998) |
| allylglycine | <chemical> An inhibitor of glutamate decarboxylase and an antagonist of gaba. It is used to induce convulsions in experimental animals. Pharmacological action: convulsants, gaba antagonists. Chemical name: 4-Pentenoic acid, 2-amino- (12 Dec 1998) |
| allylisopropylacetamide | <chemical> Chemical name: 4-Pentenamide, 2-(1-methylethyl)- (12 Dec 1998) |
| allylmercaptomethylpenicillin | <drug> A drug produced by growing the mold in a medium containing allylmercaptomethylacetic acid; also available as the potassium and sodium salts. Synonym: allylmercaptomethylpenicillin. (05 Mar 2000) |
| allysines | Two or more six-carbon alpha-amino acids connected by a carbon-carbon bond; constituents of connective tissue and other structural elements. See: desmins. (05 Mar 2000) |