mollities
/məˈlɪʃɪiːz/noun
Medicine. Abnormal softening or softness of a part or organ. Chiefly in scientific Latin compounds. mollities cerebri noun Obsolete. softening of cerebral tissue; encephalomalacia. mollities ossium noun now historical. any of various conditions causing softening (demineralization) or destruction of bone, as rickets, osteomalacia, myelomatosis, etc.; an instance or case of such softening.
Origin
Early 17th century (in an earlier sense). From classical Latin mollitiēs (sometimes written molliciēs; also mollitia) softness, effeminacy, submission to anal intercourse from mollis soft + -itiēs, variant of -itia.