The Collaborative International Dictionary
Arefaction
Arefaction \Ar`e*fac"tion\, n. [L. arefacere to dry.] The act of drying, or the state of growing dry.
The arefaction of the earth.
--Sir M. Hale.
Wiktionary
arefaction
n. (context rare or obsolete English) The fact or process of drying; desiccation.