galena definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a soft, lead-gray, very heavy, crystalline mineral, lead sulfide, PbS, with a bright metallic luster, that is the chief ore of lead
Origin: Classical Latin lead ore, dross of melted lead ; from uncertain or unknown; perhaps
galena definition by American Heritage Dictionary
A gray mineral, essentially PbS, the principal ore of lead.
Origin: Latin galēna, lead ore.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.
galena - Science Definition
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.