1
: one that couples
2
: a contrivance on a keyboard instrument by which keyboards or keys are connected to play together

Examples of coupler in a Sentence

Recent Examples on the Web
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Since each qubit is individually connected to the coupler, each qubit can be individually reset without disturbing its neighboring qubits. — Ameya Paleja, Interesting Engineering, 3 Sep. 2026 Changing these couplers alters how the resonators interact, allowing the same underlying circuit to produce different optical responses. — New Atlas, 19 Aug. 2026 Fit a pastry bag with a large coupler and a 1/2-inch plain round (such as Ateco #806); set aside. — Martha Stewart, 17 Aug. 2026 Most of the losses affected the source qubit, which is also allowed to partially enter the coupler. — ArsTechnica, 5 Aug. 2026 See All Example Sentences for coupler

Word History

First Known Use

1552, in the meaning defined at sense 1

Time Traveler
The first known use of coupler was in 1552

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Cite this Entry

“Coupler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coupler. Accessed 2 Oct. 2026.

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