Ga·le·na (g -l  n) A city of extreme northwest Illinois west-northwest of Rockford. A prosperous river port until the 1860s, it was the home of Ulysses S. Grant, whose residence is now a museum. Population: 3,400. |
| ga·le·na (g-ln) n. A gray mineral, essentially PbS, the principal ore of lead. [Latin gal na, lead ore.] |
galena [gəˈliːnə], galenite [gəˈliːnaɪt]
n
(Earth Sciences / Minerals) a grey mineral, found in hydrothermal veins. It is the chief source of lead. Composition: lead sulphide. Formula: PbS. Crystal structure: cubic
[from Latin: lead ore, dross left after melting lead]
| galena (g-ln) A gray, metallic mineral occurring in cube-shaped crystals within veins of igneous rock or in sedimentary rocks. It is the main ore of lead. Chemical formula: PbS. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  galena - soft blue-grey mineral; lead sulfide; a major source of 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" mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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