plural qubits
: a unit of computing information that is represented by a state of an atom or elementary particle (such as the spin) and can store multiple values at once due to the principles of quantum mechanics
And the most basic truth of quantum mechanics dictates that you cannot measure a qubit without destroying the superposition. The register that said 1 and 0 will randomly collapse into 1 or 0.—
George Johnson
compare bit entry 3 sense 1
George JohnsonExamples of qubit in a Sentence
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Several papers have already demonstrated that error rates with logical qubits are lower than their best physical qubits, a proof point for building larger and more complex algorithms.
—Yuval Boger, Forbes.com, 11 July 2025
In a quantum computer, the system uses qubits instead of transistors.
—Kif Leswing, CNBC, 27 June 2025
Current quantum computers use qubits, or bits made of quantum particles, to do calculations that would take the world’s most powerful supercomputers billions of years to complete.
—Reed Albergotti, semafor.com, 24 June 2025
The code not only describes the layout of the qubits and their connections, but also the purpose of each hardware qubit.
—ArsTechnica, 20 June 2025
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Yuval Boger, Forbes.com, 11 July 2025
In a quantum computer, the system uses qubits instead of transistors.
—Kif Leswing, CNBC, 27 June 2025
Current quantum computers use qubits, or bits made of quantum particles, to do calculations that would take the world’s most powerful supercomputers billions of years to complete.
—Reed Albergotti, semafor.com, 24 June 2025
The code not only describes the layout of the qubits and their connections, but also the purpose of each hardware qubit.
—ArsTechnica, 20 June 2025
See All Example Sentences for qubit
Cite this Entry
“Qubit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/qubit. Accessed 21 Jul. 2025.
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