-məd.əs adjective
Etymology: New Latin Pachydermata + English -ous
1. : of or relating to the pachyderms
2.
[influenced in meaning by French pachyderme thick-skinned, from Greek pachydermos ]
a. : thick , thickened — used of skin
the pachydermatous hide that covered the soles of my bare feet — Ben Riker
pachydermatous condition of the skin in elephantiasis
b. : callous , insensitive
that condition of pachydermatous resignation essential to a prolonged residence there — Louis Golding
• pachy·der·ma·tous·ly adverb