scle·ro·der·ma·ta·ce·ae \ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷məˈtāsēˌē\noun plural Usage: capitalized Etymology: New Latin, from Sclerodermat-, Scleroderma, type genus + -aceae : a family of basidiomycetous fungi (order Sclerodermatales) that have a single-layered peridium and include the earth-balls • scle·ro·der·ma·ta·ceous\| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷|tāshəs\adjective