Definition of qubit in English:


Syllabification: qu·bit
Pronunciation: /ˈkyo͞obit


  • another term for quantum bit.
    More example sentences
    • Ions are arguably the leading candidate for use as qubits in a quantum computer.
    • But if quantum theorists are correct, quantum bits, or qubits, will enable more efficient problem solving because a qubit can simultaneously encode both a zero and a one.
    • But to perform the logic operations vital to a quantum computer, two qubits have to become entangled.


1990s: from quantum bit, with punning allusion to cubit.

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