defervesce

[dee-fer-ves, def-er-]

verb (used without object), de·fer·vesced, de·fer·vesc·ing.

to undergo defervescence.

Origin of defervesce

First recorded in 1855–60; back formation from defervescence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019