a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide • Syn: tin, atomic number 50 • Derivationally related forms: tinny (for: tin), tin (for: tin) • Hypernyms: metallic element, metal • Substance Holonyms: cassiterite, tinfoil, tin foil