Wiktionary
parallelopipeds
n. (plural of parallelopiped English)
Usage examples of "parallelopipeds".
He had seen cities laid out in circles, sectors, ellipses, triangles, squares, parallelopipeds – practically every plan known to geometry.
These stones are almost invariably regular parallelopipeds of unequal sizes in the wall, but equally deep and laid regularly in ranges over each other like bricks, each breaking and covering the interstice of the two on which it rests.