noun Etymology: French cassitérite, from Greek kassiteros tin Date: 1858 a brown or black mineral that consists of tin dioxide and is the chief source of metallic tin
CASSITERITE
Meaning of CASSITERITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012