helix (redirected from a-helix)

helix

1. a curve that lies on a cylinder or cone, at a constant angle to the line segments making up the surface; spiral

2. the incurving fold that forms the margin of the external ear

3. another name for volute

4. any terrestrial gastropod mollusc of the genus Helix, which includes the garden snail (H. aspersa)

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Helix - A hardware description language from Silvar-Lisco.