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BNC: 17577 COCA: 22645

helix

noun

he·​lix ˈhē-liks How to pronounce helix (audio)
plural helices ˈhe-lə-ˌsēz How to pronounce helix (audio)
ˈhē-
also helixes ˈhē-lik-səz How to pronounce helix (audio)
1
: something spiral in form: such as
a
: an ornamental volute
b
: a coil formed by winding wire around a uniform tube
2
: the incurved rim of the external ear
3
: a curve traced on a cylinder or cone by the rotation of a point crossing its right sections at a constant oblique angle
broadly : spiral sense 1b

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