the number indicating the effectiveness of a disinfectant as a germicide relative to phenol, which is arbitrarily assigned the number 1: based on the time required to kill a given quantity of a specific type of bacteria.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for phenol coefficient
Historical Examples of phenol coefficient
According to these tests Ziratol possesses a phenol-coefficient of 13.66.
This is in substantial accord with the referees findings as regards the phenol-coefficient with B. typhosus as the test object.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.