The Collaborative International Dictionary
Defervescency
Defervescence \De`fer*ves"cence\, Defervescency \De`fer*ves"cency\, n. [L. defervescere to grow cool.]
-
A subsiding from a state of ebullition; loss of heat; lukewarmness.
A defervescency in holy actions.
--Jer. Taylor. (Med.) The subsidence of a febrile process; as, the stage of defervescence in pneumonia.
Wiktionary
defervescency
n. (alternative form of defervescence English)