text: what does bcd stand for? diving term bcd - binary coded decimal       short for binary-coded decimal, a format for representing decimal numbers (integers) in which each digit is represented by four bits (a nibble ). for example, the number 375 would be represented as:  0011 0111 0101  bcd buoyancy compensator/ion device (scuba diving)  bcd buoyancy control device (scuba diving)