What is "defervescence"

Defervescence \De`fer*ves"cence\, Defervescency \De`fer*ves"cency\, n. [L. defervescere to grow cool.]

1. A subsiding from a state of ebullition; loss of heat; lukewarmness.

   A defervescency in holy actions.
   --Jer. Taylor.

2. (Med.) The subsidence of a febrile process; as, the stage of defervescence in pneumonia.

n. The departure or subsiding of a fever.

n. abatement of a fever