spiral spring

noun

First recorded in 1680–90

Two others were made and sent to the Dauphin of France, where Huyghens had obtained a patent for spiral-spring watches.

A quartz spiral spring-balance will be appreciably stronger in hot weather.

With the people of court the tongue is the artery of their withered life, the spiral-spring and flag-feather of their souls.

He had lengthened out now with a spiral-spring, cork-screw twist in his body, his index finger serving as point.

April 23, 2024inveterate

[in-vet-er-it ]

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