spiral spring

/ˌspaɪrəl sprɪŋ/
IPA guide

Other forms: spiral springs

Definitions of spiral spring
  1. noun
    a spring that is wound like a spiral
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    types:
    hairspring
    a fine spiral spring that regulates the movement of the balance wheel in a timepiece
    type of:
    spring
    a metal elastic device that returns to its shape or position when pushed or pulled or pressed
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