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单词 helix
释义
he·lix (hēlĭks)
n. pl. he·lix·es or hel·i·ces (hĕlĭ-sēz, hēlĭ-)
1. Mathematics A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.
2. A spiral form or structure.
3. Anatomy The folded rim of skin and cartilage around most of the outer ear.
4. Architecture A volute on a Corinthian or Ionic capital.
v. he·lixed, he·lix·ing, he·lix·es
v.tr.
To move or position (something) into the shape of a helix.
v.intr.
1. To have the shape of a helix.
2. To move along a helical course; spiral.

[Latin, from Greek; see wel-2 in the Appendix of Indo-European roots.]
helix
in a right circular cylinder
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更新时间:2025/3/22 19:43:46