| toluidine blue O | A blue basic dye, C15H16N3SCl, used as an antibacterial agent, as a nuclear stain, and to stain metachromatically certain structures (e.g., the granules in mast cells which are believed to contain heparin and cartilage matrix which is rich in chondroitin sulfate), and in electrophoresis to stain RNA, RNase, and mucopolysaccharides; it also antagonises the anticoagulant action of heparin. See: tolonium chloride. (05 Mar 2000) |
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| toluol | <chemistry> A hydrocarbon, C6H5.CH3, of the aromatic series, homologous with benzene, and obtained as a light mobile colourless liquid, by distilling tolu balsam, coal tar, etc. Synonym: methyl benzene, phenyl methane, etc. Origin: Tolu + benzene. Source: Websters Dictionary (01 Mar 1998) |
| toluole | <chemistry> Same as Toluene. Origin: Tolu + benzol. Source: Websters Dictionary (01 Mar 1998) |
| toluoyl | CH3C6H4CO-;the radical of toluic acid. (05 Mar 2000) |
| toluric | <chemistry> Of, pertaining to, or designating, any one of three isomeric crystalline acids, C9H10ON.CO2H, which are toluyl derivatives of glycocoll. Origin: Toluic + uric. Source: Websters Dictionary (01 Mar 1998) |
| toluyl | <chemistry> Any one of the three hypothetical radicals corresponding to the three toluic acids. Origin: Toluic + -yl. Source: Websters Dictionary (01 Mar 1998) |
| toluylene | <chemistry> Same as Stilbene. Sometimes, but less properly, tolylene. Source: Websters Dictionary (01 Mar 1998) |
| toluylene red | <chemical> 3-amino-7-dimethylamino-2-methylphenazine hydrochloride. A vital dye used as an indicator and biological stain. Various adverse effects have been observed in biological systems. Pharmacological action: dyes, indicators and reagents. Chemical name: 2,8-Phenazinediamine, N8,N8,3-trimethyl-, monohydrochloride (12 Dec 1998) |