tu·ber·cu·lin /tʊˈbɝkjələn, tjʊ-/
  結核菌素
  tu·ber·cu·lin /t(j)ʊˈbɝkjələn/ 名詞
  結核菌素
  Tu·ber·cu·lin n.  A fluid containing the products formed by the growth of the tubercle bacillus in a suitable culture medium.
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  tuberculin
       n : a sterile liquid containing a purified protein derivative of
           the tuberculosis bacterium; used in the diagnosis of
           tuberculosis