hard lead
noun
1 hard lead
A lead alloy that contains about 5% antimony.
synonym: antimonial lead.
2 hard lead
Unrefined lead that is hard because of the impurities it contains.
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noun
A lead alloy that contains about 5% antimony.
synonym: antimonial lead.
Unrefined lead that is hard because of the impurities it contains.
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