What does PCB stand for?

Central Pennsylvania District Library Center, Bellefonte, PA - OCLC symbol (OCLC)

Communist Party of Benin - Political party (PSAP)

Page Control Block - Computer science (IBMDP)

Pancuronium Bromide - A muscle relaxant (DAVI)

Paracervical Block - Anesthesiology

Paracolon Bacilli - Medicine (MELL)

Particle Count Blank - Automotive testing

Parti Communiste de Belgique - Communist Party of Belgium - See also KPB - Political party (PPE)

Partido Comunista de Bolivia - Communist Party of Bolivia - Political party (PPW)

Partido Comunista do Brasil - Communist Party of Brazil - Pro-Albanian - Political party (PPW)

Parts Control Board

Patent Compensation Board - Energy Research and Development Administration

Pear - Language symbol (ETLW)

Percutaneous Biopsy - Medicine (CPH)

Pest Control Bureau (SAUS)

Petty Cash Book - Business term

Placebo - Medicine (MELL)

Planning Change Board (AAG)

Please Call Back (SAUS)

Plenum Chamber Burning

Point-Contact Breakdown (SAUS)

Polychlorinated Biphenol - Military technology (DDF)

Polychlorinated Biphenyl - Organic chemistry

Polychlorinated Biphenyls - Environment term (AUEG)

Polychlorobenzene

Polychlorobiphenyl (SAUS)

Portacaval Bypass - Cardiology (DMAA)

Port Check BIT - Binary Digit - Telecommunications (TEL)

Possibly Carcinogenic Substance (SAUS)

Postcoital Bleeding - Medicine (DMAA)

Power Circuit Breaker (MSA)

Power Control Board (SAUS)

Power Control Box (NASA)

Practicable - Telegraphy (PCTE)

Precambrian Shield Resources Ltd. - Toronto Stock Exchange symbol

Precommit Boost (ACAE)

Premier Commercial Bank Ltd. - Nigeria

Pressure Core Barrel (SAUS)

Primary Carpet Backing

Printed Circuit Board (MCD)

Printed Control Board

Prix de Cession de Base - Basic Wholesale Price - French

Procarbazine - Also, P, PC, Pr - Antineoplastic drug

Process Control Block

Process Control Book - A computer guide

Processor Command Bus (NITA)

Processor Control Block (SAUS)

Product Configuration Baseline (NASA)

Professional Capacity Building

Program Change Board (SAUS)

Program Communication Block

Program Control Block - Computer science (BUR)

Project Change Board (AAG)

Project Control Branch - Social Security Administration

Projected Control Board

Property Control Branch - of Allied Military Government - Post-World War II

Proposed Committee Bill (WPI)

Proprietor of Copyright on a Work by a Corporate Body

Propulsion - Ground Control Box (AAG)

Protocol Control Block (SAUS)

Public Coin Box - Telecommunications (TEL)

Publisher's Central Bureau

Punch Circuit Breaker (SAUS)

Printed-Circuit Board (IDOE)