[f. ERGOT sb. + -IC.] Of or pertaining to ergot; resulting from the action of ergot.

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  Ergotic acid, ‘a volatile acid said to exist in Ergot of rye’ (Syd. Soc. Lex.).

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1875.  H. C. Wood, Therap. (1879), 546. It is… very doubtful whether the ergotic spasm is local in its origin.

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