TUBERCULOCIDIN

Tu*ber"cu*lo*ci`din, n. [Tuberculum + root of L. caedere to kill.] (Physiol. Chem.)

Definition: A special substance contained in tuberculin, supposed to be the active agent of the latter freed from various impurities.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 June 2025

ROOTS

(noun) the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage; “his roots in Texas go back a long way”; “he went back to Sweden to search for his roots”; “his music has African roots”


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Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

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