Apyrexia

noun
absence of fever
historical examples

there was apyrexia on the day the attack was due, and this did not return again.
new, old, and forgotten remedies: papers by many writers various

apyrexia a·py·rex·i·a (ā’pī-rěk’sē-ə, āp’ə-)
n.
the absence of fever.

Read Also:

Aq. comm.
(in prescriptions) common water.
Aq. bull.
(in prescriptions) boiling water. latin aqua bulliens (boiling water)
Aq. dest.
(in prescriptions) distilled water. latin aqua destillata (distilled water)