单词 | trihedron |
释义 | > as lemmastriˈhedron triˈhedron n. = B. ΘΚΠ the world > space > shape > angularity > specific angular shape > [noun] > triangle > figure made up of triangles > pyramid > specific tetrahedron1570 trihedron1828 trihedral1889 1828 N. Webster Amer. Dict. Eng. Lang. Trihedron, a figure having three equal sides. 1860 J. E. Worcester Dict. Eng. Lang. (citing Davies). < as lemmas |
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