hexadecimal number system
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hexadecimal number system[‚hek·sə′des·məl ′nəm·bər ‚sis·təm]
A digital system based on powers of 16, as compared with the use of powers of 10 in the decimal number system. Also known as sexadecimal number system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.