ALL meanings of most significant bit
- noun Technical meaning of most significant bit (MSB) Bit n-1 in an n bit binary number, the bit with the greatest weight (2^(n-1)). The first or leftmost bit when the number is written in the usual way. 1
- noun most significant bit (computing) The bit that represents the largest fraction of a value, its position depending on the endianness of the system. 0