. "\"Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.\" [GOC:ai, GOC:ef]" . . "response to antibiotic" . . "antibiotic susceptibility/resistance" .