binary digit

noun

Mathematics, Computers.

1. either of the digits 0 or 1 when used in the binary number system.

2. bit.

binary digit

noun

1. either of the two digits 0 or 1, used in binary notation See also bit 4

binary digit

1. Either of the digits 0 or 1, used in the binary number system.

2. See more at bit

Word History and Origins

Origin of binary digit¹

First recorded in 1945–50