a. [ad. L. fervēscent-em, pr. pple. of fervēscĕre, inceptive verb f. fervēre to be hot.] Growing hot.
1683. Salmon, Doron Med., I. 162. Now Opiates perform not these things by fixing the fervescent and corrosive Humors of the Party; but partly by stupifying the Nervous Fibres by a mere Contact.
1730–6. in Bailey (folio).
1775. in Ash.
