- A white or pinkish crystalline substance, C6H5OH, produced
by the destructive distillation of many organic bodies, as wood, coal,
etc., and obtained from the heavy oil from coal tar. - Any one of the series of hydroxyl derivatives of which
phenol proper is the type.
Phenol coefficient Phenol coefficient is the ratio between the greatest dilution of a test germicide capable of killing a test organism in 10 min but not in 5 min and