Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of three isomeric compounds, C7H9N, used to make dyes.
from The Century Dictionary.
- noun A name of three compounds, CH3C6H4NH2, formed by the reduction of the corresponding nitrotoluenes.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively
orthtoluidine ,metatoluidine , andparatoluidine ; especially, the commonest one, orparatoluidine , which is obtained as a white crystalline substance.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry Any of the three
isomeric aromatic amines derived fromtoluene ; they are used in the synthesis of certaindyes
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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"It's toluidine," the physician apologized, noticing McCaskey's gaze.
Call to Treason Clancy, Tom, 1947- 2004
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As to the chemicals found on the farm, Washington testified that eight of them could have been used to manufacture MDA: isosafrole, formamide, formic acid, sulfuric acid, hydrochloric acid, hydrogen peroxide, toluidine, acetone, and methanol.
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In commerce three brands of aniline are distinguished -- aniline oil for blue, which is pure aniline; aniline oil for red, a mixture of equimolecular quantities of aniline and ortho - and para-toluidines; and aniline oil for safranine, which contains aniline and ortho-toluidine, and is obtained from the distillate (_échappés_) of the fuchsine fusion.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various
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These amido compounds, of which aniline, toluidine, benzidine, naphthylamine are familiar examples, are characterised by containing the molecular group NH {2}, which radicle is built up of the two elements nitrogen and hydrogen.
The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Franklin Beech
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It is well known that in coal-tar is found a series of ammonia-like bases, aniline or amido-benzol, toluidine or amido-toluol, and xylidine or amido-xylol, which are utilized practically in the manufacture of the so-called aniline dye-colors.
Scientific American Supplement, No. 415, December 15, 1883 Various
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Every tenth section was retained (resulting in a total of 304 sections), post-stained with toluidine blue and imaged on a Zeiss Axioplan 2 equipped with a Zeiss MRc camera.
PLoS ONE Alerts: New Articles Richard P. Berry et al. 2010
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Mice lacking Notch2 in the epidermis are indistinguishable from controls, whereas Notch1 deficient mice show K14 expression throughout the epidermis (whereas it is confined to the basal layer in controls), have a hyperproliferative epidermis and a mild increase in toluidine blue positive mast cells.
PLoS ONE Alerts: New Articles Alexis Dumortier et al. 2010
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Sections were incubated overnight at 70°C with 1 µg/ml of the digoxigenin-labeled probes, and binding detected by overnight incubation with alkaline phosphatase-conjugated anti-digoxigenin antibody (1: 3500, Roche), which was visualised with NBT (Nitro blue tetrazolium chloride)/BCIP (5-Bromo-4-chloro-3-indolyl phosphate, toluidine salt; 1: 50, Roche) or Fast Red (Roche) for fluorescence.
PLoS ONE Alerts: New Articles Hortensia Sanchez-Calderon et al. 2010
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Staining of skeletons from newborn mice with alcian blue and alizarin red was performed as described Static and cellular histomorphometry was carried out on toluidine blue-stained sections using the OsteoMeasure system (Osteometrics, Decatur, USA) following the guidelines of the American Society of Bone and Mineral Research
PLoS ONE Alerts: New Articles Jochen Schulze et al. 2010
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Sections were either stained with toluidine blue, by the von Kossa/van Gieson procedure, or by Goldner staining as described
PLoS ONE Alerts: New Articles Jochen Schulze et al. 2010
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October 4, 2017