Calmness of temperament, composure; also seen negatively, sluggishness, indifference.
One of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus.
Viscid mucus produced by the body, later especially mucus expelled from the bronchial passages by coughing.
A watery distillation, especially one obtained from plant matter; an aqueous solution.
The quality or state of being sensitive; sensitiveness.
The degree of response of an instrument to a change in an input signal.
The degree of response of a film etc. to light of a specified wavelength.
The ability of an organism or organ to respond to external stimuli.
Vulnerability to medical treatment: Synonym of susceptibility.
The probability, in a binary classification test, of a true positive being correctly identified.