| 单词 | regular tetragon |
| 释义 | > as lemmasregular tetragon 1. Geometry. A figure having four angles and four sides; a quadrangle considered as one of the polygons. regular tetragon, a square. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > quadrilateral quadranglea1398 tetragon?1608 quadrilater1636 quadrilateral1648 tetragonal1684 ?1608 S. Lennard tr. P. Charron Of Wisdome i. vii. 22 In figures the Pentagone conteines the Tetragone. 1690 W. Leybourn Cursus mathematicus f. 588 Half the Angle of the Tetragon or Square. 1827 O. Gregory Hutton's Course Math. (ed. 9) I. 283 An Equilateral Triangle is also a Regular Figure of three sides, and the Square is one of four: the former being also called a Trigon, and the latter a Tetragon. < as lemmas |
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