◙ noun 1. [mass noun] a silvery-white metal, the chemical element of atomic number 50[Symbol: Sn] • （化学元素）锡（[符号：Sn）] short fortinplate • tinplate的简称 [Brit. informal, dated] money • [英，非正式，旧] 钱 2. a metal container, in particular • 金属容器，尤指 (chiefly Brit.)an airtight sealed container for preserving food, made of tinplate or aluminium; a can • [主英] （马口铁或铝制的食物）密封罐；罐，听 »she had opened a tin of beans. 她开了一罐豆子。 a lidded airtight container made of tinplate or aluminium • 加盖（马口铁或铝制）密封罐 »Albert got out the biscuit tin. 艾伯特取出了装饼干的罐子。 the contents of such a container • 罐头；罐装物 »how many tins of paint would it take? 需要几罐漆？ an open metal container for baking food • 烤模 »grease a 450 g loaf tin. 在一个450克长条面包烤模上涂油。 [Brit.] a rectangular loaf of bread baked in such a tin • [英] 长方形面包 ◙ (tinned, tinning) 1. [with obj.] cover with a thin layer of tin • 在…上镀锡（或包锡） »the copper pans are correctly tinned inside. 铜盘内部镀锡合乎标准。
【用法】
1. Tin is quite a rare element, occurring chiefly in the mineral cassiterite. Pure crystalline tin exists in two allotropic modifications, the metallic form (white tin), and a semimetallic form (grey tin). It is used in various alloys, notably bronze, and for electroplating iron or steel sheets to make tinplate
【IDIOMS】
◘ have a tin ear 1. be tone-deaf • 不能（或不善于）辨别音高的，不解音律的 ◘ put the tin lid on 1. another way of saying put the lid on (seelid) • 同put the lid on（见 lid）
【语源】
1. Old English, of Germanic origin; related to Dutch tin and German Zinn