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spiral spring

American  

noun

  1. a form of spring consisting of a wire coiled in a helix.


Etymology

Origin of spiral spring

First recorded in 1680–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Here she uses the spiral spring toy known as the Slinky.

From New York Times • Aug. 6, 2015

The pin r is pressed inward by the spiral spring shown, and has a conical end fitting into holes provided in the apron to receive it.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

On the delivery side of the cutter head is a pressure bar r, which is acted upon by a spiral spring in the box c.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The table has beneath it a spiral spring at each end, which returns the table as soon as the foot pressure is released from the treadle.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The drill is held up by means of the spiral spring m acting from the bottom of cone to the collar o.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua