apyrexial

apyrexial (not comparable)

1. (medicine) Relating to apyrexia.

   apyrexial interval

   • 1853, T. Ross Jameson, “on the Type and Laws of Propagation of Tropical Fevers”, in The Dublin Quarterly Journal of Medical Science, Volume 16:

     A second paroxysm and intermission of the same duration appears on the second day; then a third paroxysm, sometimes, though not always, milder than the two preceding, on the second night, followed by an apyrexial period of twelve or eighteen hours

• “apyrexial”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.