PCB

abbreviation for

1. Chemistry. polychlorinated biphenyl: any of a family of highly toxic chemical compounds consisting of two benzene rings in which chlorine takes the place of two or more hydrogen atoms: known to cause skin diseases and suspected of causing birth defects and cancer.
2. Electronics. printed circuit board ( def ).

PCB

abbreviation for

1. polychlorinated biphenyl

PCB

/ pē′sē-bē′ /

1. Short for polychlorinated biphenyl. Any of a family of very stable industrial compounds used as lubricants, heat-transfer fluids, and plasticizers. The manufacture and use of PCBs has been restricted since the 1970s because they are very harmful to the environment, being especially deadly to fish and invertebrates, and stay in the food chain for many years.

Example Sentences

A federal court found that it was contaminated by “a glut” of PCB Pydrauls supplied to General Electric by Monsanto.

From The Daily Beast

Larger cohos were later found by the EPA to contain up to 1540 times the current permissible PCB limit.

From The Daily Beast

Related Words

• microchip
• motherboard