Tet"a*nin (?), n. Physiol. Chem.
A poisonous base (ptomaine) formed in meat broth through the agency of a peculiar microbe from the wound of a person who has died of tetanus; -- so called because it produces tetanus as one of its prominent effects.
<-- ?? not in Merck -- tetanospasmin? The neurotoxin of Clostridium tetani. -->
© Webster 1913.