Definitions from Wiktionary (PCB)

▸ noun:  (electronics) Initialism of printed circuit board. [(electronics) A flat board that holds chips and other electronic components in layers that interconnect by means of copper pathways, often called traces.]
▸ noun:  (organic chemistry) Initialism of polychlorinated biphenyl. [(organic chemistry) Any of a class of aromatic organic compounds formed by the chlorination of the hydrocarbon biphenyl; they have many industrial applications but are now considered persistent organic pollutants.]
▸ noun:  (informatics) Initialism of program control block.
▸ noun:  (electronics) Initialism of physically changeable bit.
▸ noun:  (Pakistan) Initialism of Pakistan Cricket Board.
▸ Also see pcb


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