Word Study
toluidine
CIDE DICTIONARY
toluidine, n.
Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively orthtoluidine , metatoluidine , and paratoluidine ; especially, the commonest one, or paratoluidine , which is obtained as a white crystalline substance. [1913 Webster]
" It is used in the aniline dye industry, and constitutes the essential nucleus or radical of those dyes." [1913 Webster]
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