| 释义 |
hard lead
Thesaurus| Noun | 1. | hard lead - a lead alloy that contains about 5% antimonyantimonial leadatomic number 82, Pb, lead - a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers"grid metal - a kind of hard lead that is used for grids in storage batteries | | 2. | hard lead - unrefined lead that is hard because of the impurities it containsatomic number 82, Pb, lead - a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers" |
hard lead
hard lead[′härd ¦led] (metallurgy) Lead alloy with reduced malleability due to the presence of impurities, usually antimony. antimonial lead, hard lead, regulus metalAn alloy containing 10 to 25% antimony and the balance lead; antimony increases the tensile strength and hardens the lead; used in roofing, tank lining, and cladding, 2.hard lead
Synonyms for hard leadnoun a lead alloy that contains about 5% antimonySynonymsRelated Words- atomic number 82
- Pb
- lead
- grid metal
noun unrefined lead that is hard because of the impurities it containsRelated Words |