[too-bur-kyuh-lin, tyoo-]
noun Medicine/Medical.
a sterile liquid prepared from cultures of the tubercle bacillus, used in the diagnosis and, formerly, in the treatment of tuberculosis.

1890–95; < Latin tūbercul(um) tubercle + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
tuberculin (tjʊˈbɜːkjʊlɪn)
a sterile liquid prepared from cultures of attenuated tubercle bacillus and used in the diagnosis of tuberculosis

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

tuberculin tu·ber·cu·lin (tu-bûr'kyə-lĭn, tyu-)
A sterile liquid culture containing proteins of tubercle bacilli used chiefly in diagnostic tests for tuberculosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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