1. A unit of information content equal to one binary decision or the designation of one of two possible and equally likely values or states of anything used to store or convey information.

2. A dimensionless unit of storage capacity specifying that the capacity of a storage device is expressed by the logarithm to the base 2 of the number of possible states of the device.

1. A machine part for drilling or boring.

2. The cutting plate of a plane.

3. The blade of a cutting tool such as an ax.

4. A removable tooth of a saw.

5. Any cutting device which is attached to or part of a drill rod or drill string to bore or penetrate rocks.

In a pure binary numeration system, either of the digits 0 or 1. Also known as bigit; binary digit.

In soldering, the portion of the iron that transfers either heat or solder to the joint involved.