pb
-abbr
paperback
Pb
-symbol
lead
PB
-abbr
personal best
power brakes
PBJ
-abbr
peanut butter and jelly
PBB
[
,pē-(,)bē-'bē
] -n
polybrominated biphenyl
PBS
-abbr
Public Broadcasting Service
PBX
[
,pē-(,)bē-'eks
] -n
a private telephone switchboard