helix

/ˈhiːlɪks/
noun
  1. A shape like a spiral or a coil, such as the thread of a screw or the structure of DNA.
    • A spring is a common example of a helix in everyday objects.
    • The DNA molecule has the shape of a double helix.
    • The staircase wound upward in a tight helix.
Synonyms
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