Word Study
tuberculin
CIDE DICTIONARY
tuberculin, n. [See Tubercle.].
A fluid containing the products formed by the growth of the tubercle bacillus in a suitable culture medium. [1913 Webster]
OXFORD DICTIONARY
tuberculin, n. a sterile liquid from cultures of tubercle bacillus, used in the diagnosis and treatment of tuberculosis.
Idiom
tuberculin test a hypodermic injection of tuberculin to detect a tubercular infection. tuberculin-tested (of milk) from cows giving a negative response to a tuberculin test.
Etymology
f. L tuberculum (as TUBERCLE)
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