hard lead

hard lead
1. a lead alloy that contains about 5% antimony
Syn: ↑antimonial lead
Hypernyms: ↑lead, ↑Pb, ↑atomic number 82
Hyponyms: ↑grid metal
2. unrefined lead that is hard because of the impurities it contains
Hypernyms: ↑lead, ↑Pb, ↑atomic number 82

* * *

1. : unrefined lead made hard by impurities especially of copper, antimony, and arsenic
2. : antimonial lead; specifically : an alloy containing about 5 percent antimony — compare grid metal

Useful english dictionary. 2012.

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