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tuberculin US English

A sterile protein extract from cultures of tubercle bacillus, used in a test by hypodermic injection for infection with or immunity to tuberculosis, and also formerly in the treatment of the disease

tuberculin test1 US English

The administration of tuberculin, usually by intradermal injection, as a test for infection (past or present) with tubercle bacilli or other mycobacteria.

tuberculin test2 US English

To perform a tuberculin test upon.

tuberculin-tested US English

(Of cows or their milk) giving, or from cows giving, a negative response to a tuberculin test

tuberculin reaction US English

Reaction to the administration of tuberculin, especially as a diagnostic test; an instance of this; specifically a positive reaction in this test (typically consisting of a circumscribed area of thickening and reddening of the skin).