pachydermia

from The Collaborative International Dictionary of English v.0.48

pachydermia \pach`y*der"mi*a\
   (p[a^]k`[i^]*d[~e]r"m[i^]*[.a][i^]s), n. (Med.)
   Same as {pachyderma}.

   Syn: pachydermatosis, pachyderma, nevoid elephantiasis.
        [WordNet 1.5]