Definition of tuberculin in English:

tuberculin

Line breaks: tu¦ber¦cu|lin
Pronunciation: /tjʊˈbəːkjʊlɪn
 
/

noun

[mass noun]
  • 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.
    More example sentences
    • Tuberculin skin testing with tuberculin purified protein derivative is used to screen persons for latent tuberculosis infection.
    • Sputum culture and smears, tuberculin testing, and radiography are all essentially 19th century inventions.
    • All pregnant patients with HIV infection should also undergo tuberculin skin testing as part of their routine prenatal care.

Origin

late 19th century: from Latin tuberculum (see tubercle) + -in1.

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