a. and sb. [f. L. febri- (febris) fever + -FACIENT.]
A. adj. Fever-producing.
1802. T. Beddoes, Hygëia, XI. 48. The fermentations from which the febri-facient effluvia spring.
1884. in Syd. Soc. Lex.
B. sb. Something that produces fever.
1832. in Webster (citing Beddoes).
