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Ac, chemical symbol
(Encyclopedia)Ac, symbol for the element actinium. ...La, chemical symbol
(Encyclopedia)La, symbol for the element lanthanum. ...Re, chemical symbol
(Encyclopedia)Re, symbol for the element rhenium. ...Tb, chemical symbol
(Encyclopedia)Tb, symbol for the element terbium. ...Si, chemical symbol
(Encyclopedia)Si, symbol for the element silicon. ...Po, chemical symbol
(Encyclopedia)Po, symbol for the element polonium. ...Cd, chemical symbol
(Encyclopedia)Cd, symbol for the element cadmium. ...Ra, chemical symbol
(Encyclopedia)Ra, symbol for the element radium. ...Lead, city, United States
(Encyclopedia)Lead lēd [key], city (1990 pop. 3,632), Lawrence co., W S.Dak., in the Black Hills; laid out 1876 after the discovery of gold there, inc. 1890. It is the site of the famous Homestake Mine, which was ...lead glance
(Encyclopedia)lead glance: see galena.Browse by Subject
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