febrifacient,a.andn.|fiːbrɪˈfeɪʃ(ɪ)ənt| [f. L. febri- (febris) fever + -facient.] A.adj. Fever-producing. 1803T. Beddoes Hygëia xi. 48 The fermentations from which the febri-facient effluvia spring.1884in Syd. Soc.Lex. B.n. Something that produces fever. 1832in Webster (citing Beddoes.)