tuberculin
/tjuːˈbɜːkjʊlɪn/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结核菌素。
词源
late 19th cent.: from Latin tuberculum （see TUBERCLE） + -IN1.