qubit

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Pronunciation

• (British) IPA: /ˈkjuːbɪt/
• (America) enPR: kyo͞o'bĭt, IPA: /ˈkjubɪt/

Noun

qubit (plural qubits)

1. (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.

   Synonyms: qbit, quantum bit

   cot en

   • 2012, ‘An uncertain future’, The Economist, 25 Feb 2012:

     Each extra qubit in a quantum machine doubles the number of simultaneous operations it can perform.

Related terms

• qumix
• quregister
• qutrit
• qudit

Translations

• French: qubit
• German: Qubit
• Italian: qubit
• Portuguese: qubit
• Spanish: cúbit

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