Rhomb
[rɔm]
解釋/意思:
(n.) An equilateral parallelogram, or quadrilateral figure whose sides are equal and the opposite sides parallel. The angles may be unequal, two being obtuse and two acute, as in the cut, or the angles may be equal, in which case it is usually called a square.
(n.) A rhombohedron.
沙琳編輯
同義詞及近義詞：
n. Rhombus, lozenge, oblique-angled parallelogram (with equal sides).
手打:托德
解釋/意思:
n. a quadrilateral figure having its sides equal but its angles not right angles: (crystal.) a rhombohedron: (Milt.) a material circle—also Rhom′bus.—adj. Rhom′bic.—ns. Rhombicosidodecahē′dron a solid having sixty-two faces; Rhombicuboctahē′dron a solid having twenty-six faces.—adjs. Rhom′biform Rhom′boid shaped like a rhomb.—Fresnel's rhomb a rhomb of crown glass so cut that a ray of light entering one of its faces at right angles shall emerge at right angles at the opposite face after undergoing two total reflections.
錄入:米尔顿
例句/造句/用法:
- Thus, if the two extreme needles were deflected inwards, one towards the left and the other towards the right, they would point to the letter _A_ at the top of the rhomb. 弗雷德里克·科利爾·貝克維爾. 偉大的事實.
- The rhomb was divided into thirty-six equal parts by ten cross lines, and the needles were placed at the points where the lines intersected, as shown in the diagram. 弗雷德里克·科利爾·貝克維爾. 偉大的事實.
- It consisted of five magnetic needles, ranged side by side on a horizontal line that formed the diameter of a rhomb. 弗雷德里克·科利爾·貝克維爾. 偉大的事實.
- At each intersection, and along the boundary lines of the rhomb, letters were marked, any one of which might be pointed at by the combined action of two of the needles. 弗雷德里克·科利爾·貝克維爾. 偉大的事實.
比利編輯