spiral spring

noun

Definition of spiral spring

: a spring consisting of a wire coiled usually in a flat spiral or in a helix

First Known Use of spiral spring

1690, in the meaning defined above

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The first known use of spiral spring was in 1690

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Cite this Entry

“Spiral spring.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/spiral%20spring. Accessed 14 December 2019.

More from Merriam-Webster on spiral spring

Britannica.com: Encyclopedia article about spiral spring

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