Pb

2 definitions found

From WordNet (r) 2.0 [wn]:

  Pb
       n : 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" [syn: {lead}, {atomic
           number 82}]



From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:

  PB
       Pipeline Burst [cache]