schick test

noun Medicine/Medical.

1. a diphtheria immunity test in which diphtheria toxoid is injected intracutaneously, nonimmunity being indicated by an inflammation at the injection site.

noun

1. med a skin test to determine immunity to diphtheria: a dilute diphtheria toxin is injected into the skin; within two or three days a red inflamed area will develop if no antibodies are present

n.

1. An intracutaneous test for detecting immunity or susceptibility to diphtheria.