binary coded decimal system
binary coded decimal system[′bīn·ə·rē ‚kōd·əd ′des·məl ‚sis·təm]
A system of number representation in which each digit of a decimal number is represented by a binary number. Abbreviated BCD system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.