单词	tuberculin
释义	tuberculin noun tu·​ber·​cu·​lin tu̇-ˈbər-kyə-lən  tyu̇- : a sterile liquid containing the growth products of or specific substances extracted from the tubercle bacillus and used in the diagnosis of tuberculosis especially in children and cattle Example Sentences Recent Examples on the Web 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. San Diego Union-Tribune, 30 Sep. 2019 Word History Etymology International Scientific Vocabulary First Known Use circa 1890, in the meaning defined above Phrases Containing tuberculin tuberculin test tuberculin test Medical Definition tuberculin noun tu·​ber·​cu·​lin t(y)u̇-ˈbər-kyə-lən  : a sterile solution containing the growth products of or specific substances extracted from the tubercle bacillus and used in the diagnosis of tuberculosis see old tuberculin, purified protein derivative
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