铅锡锑合金

[ noun ]
any of various alloys of tin with small amounts of other metals (especially lead)
<noun.substance>

Pewter \Pew"ter\, n. [OE. pewtyr, OF. peutre, peautre, piautre:
cf. D. peauter, piauter, It. peltro, Sp. & Pg. peltre, LL.
peutreum, pestrum. Cf. {Spelter}.]
1. A hard, tough, but easily fusible, alloy, originally
consisting of tin with a little lead, but afterwards
modified by the addition of copper, antimony, or bismuth.

2. Utensils or vessels made of pewter, as dishes, porringers,
drinking vessels, tankards, pots.

Note: Pewter was formerly much used for domestic utensils.
Inferior sorts contain a large proportion of lead.