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Definition of helix
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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Merriam-Webster unabridgedWords at Play
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Time Traveler for helix
The first known use of helix was in 1563
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