elastosis

noun
elas·​to·​sis | \ i-ˌlas-ˈtō-səs How to pronounce elastosis (audio) \
plural elastoses\ -​ˌsēz How to pronounce elastoses (audio) \

Medical Definition of elastosis

: a condition marked by thickening and degeneration of elastic fibers and loss of elasticity in connective tissue especially of the skin (as due to prolonged sun exposure)