deplume

verb3

1. •
   To strip of feathers or plumage.

   • On the depluming of the pope every bird had his own feather. — 1655
2. •
   (figurative) To lay bare; to expose.

   • the exposure and depluming […] of the leading humbugs of the age — 1841
3. •
   To condense excess water vapor from the flue gas.