procatarctic
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pro·ca·tarc·tic
(prō'kă-tark'tik),Rarely used term for denoting the exciting cause of a disease.
[G. prokatarktikos, beginning beforehand]
procatarctic
An obsolete term for:adjective
(1) Pertaining to procatarxis;
(2) Predisposing; or
noun An aetiologic agent.