| acyl halide | (n) organic compounds containing the group -COX where X is a halogen atom, Syn. acid halide |
| alkyl halide | (n) organic compound in which halogen atoms have been substituted for hydrogen atoms in an alkane, Syn. haloalkane |
| carbon tetrahalide | (n) compounds composed of 1 carbon and 4 halogen molecules |
| chlorthalidone | (n) a diuretic (trade names Hygroton and Thalidone) used to control hypertension and conditions that cause edema; effective in lowering blood pressure to prevent heart attacks, Syn. Hygroton, Thalidone |
| ctenocephalides | (n) an arthropod genus of fleas, Syn. genus Ctenocephalides |
| cynocephalidae | (n) a family of Dermoptera, Syn. family Cynocephalidae |
| halide | (n) a salt of any halogen acid |
| nymphalid | (n) medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast, Syn. nymphalid butterfly, four-footed butterfly, brush-footed butterfly |
| nymphalidae | (n) large beautifully colored butterflies, Syn. family Nymphalidae |
| ogcocephalidae | (n) batfishes: sluggish bottom-dwelling spiny fishes, Syn. family Ogcocephalidae |
| platycephalidae | (n) scorpaenoid flatheads, Syn. family Platycephalidae |
| tetrahalide | (n) any halide containing four halogen atoms in its molecules |
| thalidomide | (n) a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesis |
| cat flea | (n) flea that breeds chiefly on cats and dogs and rats, Syn. Ctenocephalides felis |
| dog flea | (n) flea that attacks dogs and cats, Syn. Ctenocephalides canis |
| Halidom | n. [ AS. hāligdōm holiness, sacrament, sanctuary, relics; hālig holy + -dōm, E. -dom. See Holy. ] 1. Holiness; sanctity; sacred oath; sacred things; sanctuary; -- used chiefly in oaths. [ Archaic ] [ 1913 Webster ] So God me help and halidom. Piers Plowman. [ 1913 Webster ] By my halidom, I was fast asleep. Shak. [ 1913 Webster ] 2. Holy doom; the Last Day. [ R. ] Shipley. [ 1913 Webster ] |
| Naphthalidine | n. [ Naphthalene + toluidine. ] (Chem.) Same as Naphthylamine. [ 1913 Webster ] |
| nymphalid | n. Any butterfly of the family Nymphalidae, consisting of medium to large butterflies found worldwide, typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast. Syn. -- nymphalid butterfly, brush-footed butterfly, four-footed butterfly. [ WordNet 1.5 ] |
| Nymphalidae | prop. n. A natural family of large beautifully colored butterflies, called also the brush-footed butterflies; formerly called Nymphales. Syn. -- family Nymphalidae. [ WordNet 1.5 ] |
| Phthalide | n. [ Phthalyl + anhydride. ] (Chem.) A lactone (C8H6O2) obtained as a white crystalline substance by reduction of phthalyl chloride and other processes; hence, by extension, any one of the series of which phthalide proper is the type. [ Written also phthalid. ] [ 1913 Webster ]  [ PJC ] 2. Specifically: A fungicide (C8H2Cl4O2) which is a tetrachloro derivative of phthalide{ 1 } proper; in this sense, the spelling fthalide is also used. It has CAS Registry Number 27355-22-2. Syn. 4, 5, 6, 7-tetrachloro-1(3H)-isobenzofuranone; -- . [ PJC ] |