callosity
Concise Oxford English Dictionary © 2008 Oxford University Press:
callosity /kəˈlɒsɪti/
▶noun (pl. callosities) technical a callus.
– origin ME: from Fr. callosité, from L. callositas, from callosus ‘hard-skinned’, from callum, callus ‘hardened skin’.
'callosity' also found in these Oxford entries:

