Wordnet angielsko-polski 
                        
1. (a unit of information equal to 1000 terabits or 10^15 bits) 
petabit, Pbit, Pb 
synonim: petabit
synonim: Pbit
2. (a soft heavy toxic malleable metallic element
bluish white when freshly cut but tarnishes readily to dull grey
"the children were playing with lead soldiers") 
ołów, Pb: : synonim: lead
synonim: atomic number 82