[ too-bur-kyuh-lin, tyoo- ]
/ tʊˈbɜr kyə lɪn, tyʊ- /

noun Medicine/Medical.

a sterile liquid prepared from cultures of the tubercle bacillus, used in the diagnosis and, formerly, in the treatment of tuberculosis.

Origin of tuberculin

1890–95; < Latin tūbercul(um) tubercle + -in2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tuberculin

British Dictionary definitions for tuberculin

/ (tjʊˈbɜːkjʊlɪn) /


a sterile liquid prepared from cultures of attenuated tubercle bacillus and used in the diagnosis of tuberculosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for tuberculin

[ tu-bûrkyə-lĭn ]


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.