Rhomb
[rɔm]
Definition
(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.
Edited by Charlene
Synonyms and Synonymous
n. Rhombus, lozenge, oblique-angled parallelogram (with equal sides).
Editor: Tod
Definition
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.
Editor: Milton
Examples
- 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. Frederick C. Bakewell. Great Facts.
- 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. Frederick C. Bakewell. Great Facts.
- It consisted of five magnetic needles, ranged side by side on a horizontal line that formed the diameter of a rhomb. Frederick C. Bakewell. Great Facts.
- 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. Frederick C. Bakewell. Great Facts.
Typed by Billie