qubit

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English[edit]

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Etymology[edit]

Blend of quantum +‎ bit, influenced by cubit. Coined by American physicist Benjamin Schumacher in 1995.

Pronunciation[edit]

Noun[edit]

qubit (plural qubits)

  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.

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Portuguese[edit]

Noun[edit]

qubit m (plural qubits)

  1. (computing) qubit (quantum bit)