WordReference Random House Unabridged Dictionary of American English © 2026
cir′cuit board′,
- Electronics, Electronicsa sheet of insulating material used for the mounting and interconnection (often by a printed circuit) of components in electronic equipment.
- Computing
- board (def. 13a).
- a piece of material on which printed or integrated circuits are installed. Also called board (for defs. 1, 2b).
'circuit board' also found in these entries (note: many are not synonyms or translations):