• Webster's Revised Unabridged Dictionary
    • n Parvoline (Chem) A liquid base, C9H13N, of the pyridine group, found in coal tar; also, any one of the series of isomeric substances of which it is the type.
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Century Dictionary and Cyclopedia
    • n parvoline Tetramethylpyri-dine, C5HN(CH3)4. Of the several isomeric varieties, the principal one is 2,3,4,5-tetra-methylpyridine, an oil which occurs in coal-tar. Other varieties are made by distilling bituminous shales, heating cinchonine with potash, or by the decay of horse-fiesh or mackerel. They are basic oils which form salts with acids.
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