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| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| helix (ˈhiːlɪks) | |
| —n , pl helices, helixes | |
| 1. | a curve that lies on a cylinder or cone, at a constant angle to the line segments making up the surface; spiral |
| 2. | a spiral shape or form |
| 3. | the incurving fold that forms the margin of the external ear |
| 4. | another name for volute |
| 5. | any terrestrial gastropod mollusc of the genus Helix, which includes the garden snail (H. aspersa) |
| [C16: from Latin, from Greek: spiral; probably related to Greek helissein to twist] | |
helix he·lix (hē'lĭks)
n. pl. he·lix·es or hel·i·ces (hěl'ĭ-sēz', hē'lĭ-)
A spiral form or structure.
The folded rim of skin and cartilage around most of the outer ear.
A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.
helix (hē'lĭks) Pronunciation Key
|
In geometry, a three-dimensional spiral shape, resembling a spring.