Phenol coefficient — is a measure of the bactericidal activity of a chemical compound in relation to phenol. When listed numerically, the figure expressing the disinfecting power of a substance by relating it to the disinfecting power of phenol may be a function of… … Wikipedia
phenol coefficient — noun : a number relating the germicidal efficiency of a compound to phenol regarded as having an arbitrarily assigned value of 1 toward specified bacteria (as typhoid bacteria) under specified conditions if disinfectant X has a phenol coefficient … Useful english dictionary
phenol coefficient — Chem. 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. * * * … Universalium
phenol coefficient test — A test to measure the effectiveness of disinfectants by comparing their activity against test bacteria with that of phenol … Dictionary of microbiology
coefficient — 1. The expression of the amount or degree of any quality possessed by a substance, or of the degree of physical or chemical change normally occurring in that substance under stated conditions. 2. The ratio or factor that relates a quantity… … Medical dictionary
Rideal-Walker coefficient — The Rideal Walker coefficient is a figure expressing the disinfecting power of any substance and is obtained by dividing the figure indicating the degree of dilution of the disinfectant that kills a microorganism in a given time by that… … Wikipedia
Rideal-Walker coefficient method (test) — Rid·e·al Walk·er coefficient, method (test) (ridґe əl wawkґər) [Samuel Rideal, English chemist, 1863–1929; J.T. Ainslie Walker, English chemist, 1868–1930] see phenol coefficient, under coefficient, and see under method … Medical dictionary
Rideal-Walker coefficient — see phenol c … Medical dictionary
carbolic acid — phenol (def. 1). * * * or phenol Organic compound, simplest member of the class of phenols. A colourless liquid with a bland, sweetish odour, it is toxic and caustic. It is a high volume industrial chemical used chiefly in the manufacture of… … Universalium
Disinfectant — This article is about antimicrobial agents. For the Macintosh anti virus software, see Disinfectant (software). Disinfection of a floor using disinfectant liquid applied using a mop Disinfectants are substances that are applied to non living… … Wikipedia