°(arithmetic computing) A
number system with
base 16, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F, useful in computing as numbers in hexadecimal can be stored in four
bits. Informal short form used in computing: hex.
adjective
°Of a number, expressed in hexadecimal.
synonyms:
base, sexidecimal, sexadecimal, base