Bactericide.—An agent having the power to destroy bacteria.
Bacteriological.—Relating to bacteriology.
Bacteriology.—The science dealing with microorganisms.
Bacterium (pl. bacteria).—A unicellular vegetable micro-organism.
C
Carrier.—An apparently healthy person who harbors pathogenic germs in his body.
Coccus (pl. cocci).—A bacterium of spherical or nearly spherical shape.
Counter-irritant.—A substance or agent which if applied to the skin causes irritation and thereby relieves an abnormal condition in another part of the body.
D
Degeneration.—A deterioration in cells or tissues of the body so that they become less able to perform their proper functions.