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
Recent Examples on the Web
By 2029, QuEra promises a successor with twice as many hardware qubits, capable of supporting over 1,000 logical qubits.
—
John Timmer,
ArsTechnica,
29 June 2026
This ability of qubits to have multiple states could allow a quantum computer to yield a range of solutions, all at once, while a classical computer has to go through each calculation one by one.
—
Donald Keough,
Christian Science Monitor,
27 June 2026
These comparisons were made at a hardware footprint of around 30 physical qubits for a logical qubit.
—
Ameya Paleja,
Interesting Engineering,
24 June 2026
See All Example Sentences for qubit
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John Timmer,
ArsTechnica,
29 June 2026
This ability of qubits to have multiple states could allow a quantum computer to yield a range of solutions, all at once, while a classical computer has to go through each calculation one by one.
—
Donald Keough,
Christian Science Monitor,
27 June 2026
These comparisons were made at a hardware footprint of around 30 physical qubits for a logical qubit.
—
Ameya Paleja,
Interesting Engineering,
24 June 2026
See All Example Sentences for qubit
Cite this Entry
“Qubit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/qubit. Accessed 5 Jul. 2026.
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