tuberculin

American  

[too-bur-kyuh-lin, tyoo-] / tʊˈbɜr kyə lɪn, tyʊ- /

noun

Medicine/Medical.

1. a sterile liquid prepared from cultures of the tubercle bacillus, used in the diagnosis and, formerly, in the treatment of tuberculosis.

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tuberculin British  

/ tjʊˈbɜːkjʊlɪn /

noun

1. a sterile liquid prepared from cultures of attenuated tubercle bacillus and used in the diagnosis of tuberculosis

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Etymology

Origin of tuberculin

1890–95; < Latin tūbercul ( um ) tubercle + -in ²

Example Sentences

Ms Macdonald has questioned the validity of the tests and says that they are returning false positives because he had been "primed" before them by being injected with bovine tuberculin.

From BBC

Macdonald said she believes the test results returned a false positive because Geronimo had been given a tuberculin vaccine before testing, which led to antibodies in his system.

From Washington Post

MacDonald believes the tests results returned a false positive because Geronimo had been given the tuberculin vaccine before testing with led to antibodies in his system.

From Seattle Times

The tuberculosis skin test requires an intradermal injection of liquid — 0.1 milliliter of a purified protein derivative called tuberculin — in the lower part of their arm, according to the Centers for Disease Control and Prevention.

From Fox News

Health officials are asking anyone who may have been in close contact with the student, including classmates, to accept a free tuberculin skin testing.

From Washington Times