â¢ PB (noun). The noun PB has 1 sense: 1. a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey. Familiarity information: PB used as a noun is very rare.yponyms (each of the following is a kind of Pb): hard lead (unrefined lead that is hard because of the impurities it contains). antimonial lead; hard lead (a lead alloy that contains about 5% antimony). pig lead (lead that is cast in pigs).
Revere, Massachusetts. Revere is a city in Suffolk County, Massachusetts, United States, located approximately 5 miles (8.0 km) from downtown Boston. It is named after the American Revolutionary War patriot Paul Revere. As of the 2010 United States Census, the city has a population of 51,755 inhabitants.
Paul Revere, (born January 1, 1735, Boston, Massachusetts [U.S.]âdied May 10, 1818, Boston, Massachusetts, U.S.) folk hero of the American Revolution whose dramatic horseback ride on the night of April 18, 1775, warning Boston-area residents that the British were coming, was immortalized in a ballad by Henry Wadsworth Longfellow.