Qubit

Pronunciation

• UK IPA: /ˈkjuːbɪt/
• US enPR: kyoÍžo'bÄ­t, IPA: /ˈkjubɪt/
• Homophones: cubit

Origin

quantumbit, influenced by cubit.

Full definition of qubit

Noun

1. (computing) A quantum bit; the unit of quantum information; a bit in a quantum computer capable of being in a state of superposition.
• 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.

Synonyms

• qbit
• quantum bit

Derived terms

• multiqubit

Related terms

• qutrit