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Definition of Hard lead
1. Noun. A lead alloy that contains about 5% antimony.
Exact synonyms: Antimonial Lead
Generic synonyms: Atomic Number 82, Lead, Pb
Specialized synonyms: Grid Metal
Generic synonyms: Atomic Number 82, Lead, Pb
Specialized synonyms: Grid Metal
2. Noun. Unrefined lead that is hard because of the impurities it contains.