| tetrachirus | A malformed individual having four hands. Origin: tetra-+ G. Cheir, hand (05 Mar 2000) |
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| tetrachlorethylene | An anthelmintic against hookworm and other nematodes. Synonym: carbon dichloride, ethylene tetrachloride, tetrachloroethylene. (05 Mar 2000) |
| tetrachlormethiazide | 6-chloro-3,4-dihydro-3-trichloromethyl-2H-1,2,4 -benzothiadiazine-7-sulfonamide 1,1-dioxide;a diuretic of the thiazide type. Synonym: teclothiazide. (05 Mar 2000) |
| tetrachlorodibenzodioxin | <chemical> 2,3,7,8-tetrachlorodibenzo-p-dioxin. A contaminant of 2,4,5-t believed to have teratogenic effects. Synonym: tcdd. Chemical name: Dibenzo(b,e)(1,4)dioxin, 2,3,7,8-tetrachloro- (12 Dec 1998) |
| tetrachloroethane | Cl2HC-CHCl2;acetylene tetrachloride; a nonflammable solvent for fats, oils, waxes, resins, etc.; used in the manufacture of paint and varnish removers, photographic films, lacquers, and insecticides. Its toxicity exceeds that of chloroform and carbon tetrachloride, and produces narcosis, liver damage, kidney damage, and gastroenteritis. Synonym: cellon. (05 Mar 2000) |
| tetrachloroethene reductase | <enzyme> Catalyses reduction of tetrachloroethene with concomitant release of chloride; a member of the menaquinone-dependent electron transport chain of dehalobacter restrictus Registry number: EC 1.3.99.- Synonym: pce reductase, tetrachloroethylene reductase (26 Jun 1999) |
| tetrachloroethylene | <chemical> Ethylene tetrachloride. Used as grease solvent in industry; defats skin and mucus membranes, causes CNS, liver, and kidney damage on chronic exposure; used as anthelmintic for hookworms. Pharmacological action: antinematodal agent, solvents. Chemical name: Ethene, tetrachloro- (12 Dec 1998) |
| tetrachloromethane | <chemical> Tetrachloromethane. A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. Chemical name: Methane, tetrachloro- (12 Dec 1998) |
| tetrachlorvinphos | <chemical> 2-chloro-1-(2,4,5-trichlorophenyl)-vinyl dimethylphosphate. An organophosphate cholinesterase inhibitor that is used as an insecticide. It has low mammalian toxicity. Pharmacological action: cholinesterase inhibitor, insecticide, organophosphate. Chemical name: Phosphoric acid, 2-chloro-1-(2,4,5-trichlorophenyl)ethenyl dimethyl ester, (Z)- (12 Dec 1998) |
| tetrachotomous | <botany> Having a division by fours; separated into four parts or series, or into series of fours. Origin: Gr. In four parts + to cut. Source: Websters Dictionary (01 Mar 1998) |
| tetracid | <chemistry> Capable of neutralising four molecules of a monobasic acid; having four hydrogen atoms capable of replacement ba acids or acid atoms; said of certain bases; thus, erythrine, C4H6(OH)4, is a tetracid alcohol. Origin: Tetra + acid. Source: Websters Dictionary (01 Mar 1998) |
| tetracoccous | <botany> Having four cocci, or carpels. See: Tetra-, and Coccus. Source: Websters Dictionary (01 Mar 1998) |
| tetracoccus | A spherical bacterium that divides in two planes and characteristically forms groups of four cells. Origin: tetra-+ G. Kokkos, berry (05 Mar 2000) |
| tetracolon | A stanza or division in lyric poetry, consisting of four verses or lines. Origin: Gr. With four members; (see Tetra-) + limb, member. Source: Websters Dictionary (01 Mar 1998) |
| tetracoralla | <paleontology> Same as Rugosa. Origin: NL. See Tetra-, and Corallum. Source: Websters Dictionary (01 Mar 1998) |