disphenoid
名词 n.
形容词 adj.
英文释义
名词 n.
-
A non-regular tetrahedron whose four faces are congruent acute-angled triangles.
— The mineral chalcopyrite commonly crystallizes in disphenoids that are very difficult to distinguish from tetrahedrons.
形容词 adj.
- Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system.
- Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron.
词形变化
词源
词源 1
Etymology tree
English di-
English sphenoid
English disphenoid
From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).
English di-
English sphenoid
English disphenoid
From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).
词源 2
Etymology tree
English di-
English sphenoid
English disphenoid
From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).
English di-
English sphenoid
English disphenoid
From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).
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数据来源: Wiktionary