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.
The Town of Franklin is a city in Norfolk County, Massachusetts, US. Franklin is one of fourteen Massachusetts municipalities that have applied for, and been granted, city forms of government but wish to retain The town ofâ in their official names. As of 2012, the city's population was 33,092.