sphenoid

a. 楔形的 n. 半面晶形, 蝶骨

发音

其它 /ˈsfiː.nɔɪd/

词形变化

sphenoids 复数 sphenoids

释义与例句

n.
  1. 1.

    The sphenoid bone.

    医学
  2. 2.

    A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.

    化学
adj.
  1. 1.

    Having a wedge shape.

  2. 2.

    Of or relating to the sphenoid bone which forms the base of the cranium, behind the eye and below the front part of the brain. It has two pairs of broad lateral ‘wings’ and a number of other projections, and contains two air-filled sinuses.

    医学

词汇关系

名词

同义词 1

sphenoid bone

上位词 2

bone os

部分词 1

pterygoid process

整体词 1

skull

相关短语

sphenoid bone [医] 蝶骨 sphenoid sinus sphenoid sinuses sphenoid bones

词源

From New Latin sphenoides, from Ancient Greek σφηνοειδής (sphēnoeidḗs, “wedge-shaped”), from σφήν (sphḗn, “wedge”) + -ειδής (-eidḗs, “-form, -like”).

来源：wiktionary