PB

Pb is the abbreviation for the element lead. PB may also stand for:PaintballPackard BellPalladium BooksParsons BrinckerhoffPassed ballPatrol boatPetabyte (computers)picobarn (physics) - correctly written in lower case: pbPilatus Railway (from the German name of Pilatus Bahn)Peanut butterPersonal best, ie one's own best ever athletic performancePro bonoPunkBusterPiranha BytesPlayboy MagazinePowerBuilderPremium BondProBoardsPrice-to-book ratioPacific Beach, a neighborhood of San Diego, CaliforniaPitney BowesPBairPrison BreakPB a coach body built by IrizarPrussian Blue (duo), a White Nationalist folk teen duo in the United StatesPresiding BishopPanda BearPhantom Brave, a tactical role-playing game
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Noun
1. a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull gray; "the children were playing with lead soldiers"
(synonym) lead, atomic number 82
(hypernym) metallic element, metal
(hyponym) hard lead
(substance-holonym) galena

Pb, lead, heavy bluish-gray metal (Chemistry)

n. (also: Pb) lead, metal chemical element

A heavy metal that is hazardous to health if breathed or swallowed. Its use in gasoline, paints, and plumbing compounds has been sharply restricted or eliminated by federal laws and regulations. (See: heavy metals.)