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Noun sn has 1 sense
- tin, Sn, atomic number 50 - 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
--1 is a kind of metallic element, metal
--1 is a substance of cassiterite; tinfoil, tin foil
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