n :  a test to determine susceptibility or immunity to scarlet fever by an injection of scarlet fever toxin
 
Dick, George Frederick (1881-1967), and Gladys Henry (1881-1963), American physicians. In 1923 the Dicks isolated the hemolytic streptococcus that causes scarlet fever. They also developed the toxin used for immunization and a method for preventing the disease - a toxin-antitoxin injection. The Dick test was developed in 1924.
 
 
 
Similar sounding terms:  tac·tic·i·ty 
 
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