turgescent

from The Collaborative International Dictionary of English v.0.48

Turgescent \Tur*ges"cent\, a. [L. turgescens, -entis, p. pr. of
   turgescere: cf. F. turgescent. See {Turgesce}.]
   Becoming turgid or inflated; swelling; growing big.
   [1913 Webster]