Cubit vs. Qubit: What's the Difference?

An ancient unit of linear measure, originally equal to the length of the forearm from the tip of the middle finger to the elbow, or about 17 to 22 inches (43 to 56 centimeters).

See quantum bit.

The distance from the elbow to the tip of the middle finger used as an informal unit of length.

(quantum computing) A quantum bit; the basic unit of quantum information described by a superposition of two states; a quantum bit in a quantum computer capable of being in a state of superposition.

(historical) Any of various units of length approximating this distance, usually around 35–60 cm.

Synonym of ulna, the bone of the human forearm.

The forearm; the ulna, a bone of the arm extending from elbow to wrist.

A measure of length, being the distance from the elbow to the extremity of the middle finger.

An ancient unit of length based on the length of the forearm