American Heritage® Dictionary of the English Language, Fourth Edition
- n. A solid with six faces, each a parallelogram and each being parallel to the opposite face.
Century Dictionary and Cyclopedia
- n. A prism whose bases are parallelograms.
- n. in experimental psychology, an outline drawing of a parallelepiped, with one diagonal drawn in, embodying an illusion of reversible perspective. The figure was published by Necker in 1832: the name ‘cube’ properly belongs to a similar figure published by Wheatstone in 1838. See illusion. 2.
- n. geometry Solid figure, having six faces, all parallelograms; all opposite faces being similar and parallel.
GNU Webster's 1913
- n. (Geometry) A prism whose bases are parallelograms.
- n. a prism whose bases are parallelograms
- Greek parallēlepipedon : parallēlos, parallel; see parallel + epipedon, plane surface, from neuter sing. of epipedos, level (epi-, epi- + pedon, ground). (American Heritage® Dictionary of the English Language, Fourth Edition)
“Remember, the volume of a parallelepiped is the area of its base surface times its height.”
“But I wish he would have used the more correct and pretentious 'parallelepiped'.”
“The house is a 23m x 7m parallelepiped, made of concrete, steel and glass, embedded in the slope of the terrain.”
“This describes the diagonal of a rectangular parallelepiped, where length along the respective axes are:”
“The class intimations of these images are plain enough, though Polidori in his exhaustive effort of preservation did not scruple to include upper-end or highland stretches — Canal Street, say, with its two-storied, sometimes stuccoed domiciles set back on lawns, including a pert example of old-fashioned flat-roofed, parallelepiped-pure modernism, with Art Deco stripes and a little penthouse.”
“Compressed earth blocks generally have a rectangular parallelepiped format and are full or perforated with vertical and/or horizontal indentations.”
“Rectangular parallelepiped format with holes or perforations in combination with indentations on its larger faces (laying face and bed face).”
“The most common format is a rectangular parallelepiped (or prismatic) format with a length (l), a width (w) and a height (h).”
“Full rectangular parallelepiped format with an indentation on one or both of its larger faces (laying and bed face).”
“Non parallelepiped rectangular formats require a fuller description (cylindrical, conical, hexagonal, wedge-shaped, in the form of a truncated cone, etc.).”
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