| 单词 | truncated cone or pyramid |
| 释义 | > as lemmastruncated cone or pyramid a. Geometry, etc. Of a figure: Having one end cut off by a transverse line or plane; esp. of a cone or pyramid: Having the vertex cut off by a plane section, esp. one parallel to the base: thus truncated cone or pyramid = frustum n. of a cone or pyramid. truncated octahedron n. a fourteen-sided solid formed from a regular octahedron by truncating its six corners to form six new square faces, in the process cutting down the eight original triangular faces into (usually regular) hexagons. ΘΚΠ the world > relative properties > wholeness > incompleteness > [adjective] > not fully formed > as if part were cut off truncated1704 truncate1717 the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > formed by cutting solid segment of a sphere1570 sector of a sphere1656 frustum1658 truncated cone or pyramid1704 frustulum1785 wedge1883 the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > (as if) by cutting cuttedc1386 docked1408 stucked?a1439 trunked1552 cropped1558 lopped1570 short-cut1596 stumped1598 dubbeda1661 truncated1704 truncate1717 well-cropped1805 clipped1870 junky1873 lobbed1883 crop1957 the world > relative properties > number > geometry > shape or figure > [adjective] > being acted upon truncated1831 1704 J. Harris Lexicon Technicum I Truncated Pyramid or Cone, is one whose top is cut off by a Plane parallel to its Base; and therefore the Figure of the truncated top must always be similar to the Base. 1827 M. Faraday Chem. Manip. ii. 26 Weights..constructed in sets, each weight..having the form of a truncated cone. 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 581 The Cartilages of the apertures of the Nose..represent an ellipse truncated posteriorly. 1840 D. Lardner Treat. Geom. 68 A trapezium is a truncated triangle. 1840 D. Lardner Treat. Geom. 166 A figure formed by the section of a prism by a plane not parallel to its base is called a truncated prism. 1868 W. Lockyer & J. N. Lockyer tr. A. Guillemin Heavens (ed. 3) 73 The southern horn of the crescent was truncated. < as lemmas |
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