qubit

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Related to Quibit: qubit, Quantum computing

qubit

[′kyü·bit]
(computer science)
In quantum computation, a superposition of the ground state and the excited state of an elementary two-level quantum system (such as a two-level atom or a nuclear spin), corresponding to a classical bit that is either 0 (corresponding to the ground state) or 1 (corresponding to the excited state).

qubit

(QUantum BIT) A data bit in a quantum computer. Unlike a bit in a digital computer, which can hold a 0 or 1, a qubit can represent more than two values. See quantum computing.