| Acronym | Definition |
|---|
| PB➣Problem |
| PB➣Peanut Butter |
| PB➣Pushbutton |
| PB➣Plumbum (Latin for the metallic element lead) |
| PB➣Polished Brass |
| PB➣Packard Bell |
| PB➣PunkBuster (gaming anti-cheat project) |
| PB➣Point-Blank |
| PB➣Playboy (magazine) |
| PB➣Publications |
| PB➣Paperback (book edition) |
| PB➣Pacific Beach (San Diego, California) |
| PB➣Personal Best (athletic record) |
| PB➣Playback |
| PB➣Plastic Bag (various companies) |
| PB➣Prison Break (TV Series) |
| PB➣Pitney Bowes |
| PB➣Paraíba (Brazilian state) |
| PB➣PowerBook (Macintosh) |
| PB➣Princess Bubblegum (Adventure Time) |
| PB➣Powerbuilder (Sybase software development tool) |
| PB➣Peripheral Blood |
| PB➣Public Bank |
| PB➣Phenobarbital (drug) |
| PB➣Played By (roleplay gaming) |
| PB➣Power Ball (lottery) |
| PB➣Photobucket (online image hosting service) |
| PB➣Pit Bull |
| PB➣Passed Ball (baseball) |
| PB➣Private Banking |
| PB➣Power Brakes |
| PB➣Pacific Beach (California) |
| PB➣Pandora's Box |
| PB➣Performance-Based |
| PB➣Public Broadcasting |
| PB➣Photobook |
| PB➣Pot Belly |
| PB➣Primitive Baptist (religion) |
| PB➣President's Budget |
| PB➣Point B |
| PB➣Petabyte (1,024 terabytes) |
| PB➣Panic Bar (various companies) |
| PB➣Paintbrush |
| PB➣Pocket Book |
| PB➣Polybutylene |
| PB➣Paul's Boutique (UK) |
| PB➣Post Box |
| PB➣Parts Breakdown |
| PB➣Personal Business |
| PB➣Peroneus Brevis (muscle) |
| PB➣Potty Break |
| PB➣Presiding Bishop |
| PB➣Prussian Blue (ferric ferrocyanide antidote for Cs 137) |
| PB➣Particleboard |
| PB➣Princess Bride |
| PB➣Push-button Switch |
| PB➣Private Business |
| PB➣Poor Bastard |
| PB➣Paint Ball |
| PB➣Punch Brothers (band) |
| PB➣Page Break (proofreading; also HTML code) |
| PB➣Panera Bread (restaurant) |
| PB➣Professional Bookkeeper |
| PB➣Pry Bar |
| PB➣Performance Bond |
| PB➣Points Behind (hockey) |
| PB➣Pyridostigmine Bromide |
| PB➣Private Brand |
| PB➣Printed Board |
| PB➣Patrol Boat |
| PB➣Parker Brothers (game company) |
| PB➣Peptide Bond |
| PB➣Particle Beam |
| PB➣Penalty Box (hockey) |
| PB➣Payback Period |
| PB➣Publication Bias |
| PB➣Program Block |
| PB➣Plate Block |
| PB➣Parsons Brinckerhoff, Inc. (engineering firm) |
| PB➣Paddington Bear (children's storybook character) |
| PB➣Project Book |
| PB➣Pull Box |
| PB➣Property Bond (criminal justice) |
| PB➣Patrol Bomber (US aircraft designation of WW II) |
| PB➣Proportional Band |
| PB➣Plat Book |
| PB➣Pelvic Bone |
| PB➣Prime Broker |
| PB➣Preburner (US NASA) |
| PB➣Power Bomb (wrestling move) |
| PB➣Paddle Board |
| PB➣Phantom Brave (movie, gaming) |
| PB➣Page Buffer |
| PB➣Property Book |
| PB➣Probasin |
| PB➣Palladium Books (gaming company) |
| PB➣Program Baseline |
| PB➣Pulsed Beam |
| PB➣Pre-Briefed |
| PB➣Phonetically Balanced |
| PB➣Poor Bugger |
| PB➣Pepsi Blue (soft drink) |
| PB➣Project-Blue (GMod gaming clan) |
| PB➣Poly-Butadiene |
| PB➣Pool Bottom |
| PB➣Pneumatic Brake |
| PB➣Plug Board |
| PB➣Publications Bulletin |
| PB➣Post Boost |
| PB➣Pensions Board |
| PB➣Primary Branch |
| PB➣Personal Base (station) |
| PB➣Product Baseline |
| PB➣Pass Balanced (Front Page Sports Football '95 et al) |
| PB➣Preppy Boy |
| PB➣Probability of Bit Error |
| PB➣Plot Bunny (fan fiction) |
| PB➣Photon Burst |
| PB➣Packet Bus |
| PB➣Pulau Bintan (Indonesia) |
| PB➣Productive Burp (post surgery) |
| PB➣Pax Britannia |
| PB➣Probability of Blocking (data transferring) |
| PB➣Park Bravo (Turkey) |
| PB➣Polar Ball (game) |
| PB➣Pharmacopoeia Britannica |
| PB➣Phunky Bitch (women's group) |
| PB➣Privately Baptised (genealogy) |
| PB➣Personal Barometer (domestic water consumption calculation application) |
| PB➣Pryidostigmine Bromide |
| PB➣Pre-Blackout |
| PB➣Perkins Bacon, Ltd. (stamp printers, Great Britain) |
| PB➣Predicted and Bi-Directional |
| PB➣Physical Inventory, Beginning |
| PB➣Prefered Bidder (OJEU tendering process) |
| PB➣Pro Baddies (World of Warcraft gaming clan) |
Pb - 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"