from The Century Dictionary.
- Having the form of a parallelepiped.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Having the form of a
Sorry, no etymologies found.
11.36: If three straight lines are proportional, then the parallelepipedal solid formed out of the three equals the parallelepipedal solid on the mean which is equilateral, but equiangular with the aforesaid solid.
11.34: In equal parallelepipedal solids the bases are reciprocally proportional to the heights; and those parallelepipedal solids in which the bases are reciprocally proportional to the heights are equal.