Letters that make bit-by-bit
b, t, i, y are letters that make 'bit-by-bit'
1 possible definitions for 'bit-by-bit'
Under this definition, bit-by-bit is an adjective and has the following properties:
in small stages, piecemeal, step-by-step, stepwise have the same meaning as 'bit-by-bit'
gradual is similar to bit-by-bit.