11 letters · 16 points in Scrabble
noun an autoimmune disease that affects the blood vessels and connective tissue; fibrous connective tissue is deposited in the skin
noun genus of poisonous fungi having hard-skinned fruiting bodies: false truffles
originFrom New Latin sclēroderma, from Ancient Greek σκληρός (sklērós, “hard”) + δέρμα (dérma, “skin, hide”). By surface analysis, sclero- + -derma.
Etymology from Wiktionary, CC BY-SA 3.0