parallelepiped

/par-uh-lel-uh-pahy-pid, -pip-id/US // ˌpær əˌlɛl əˈpaɪ pɪd, -ˈpɪp ɪd //UK // (ˌpærəˌlɛləˈpaɪpɛd) //

平行四边形,平行四边形的,平行四面体,平行线

Definitions

n.名词 noun

Archimedes proves that the volume of the solid so cut off is one sixth part of the volume of the parallelepiped.
Euclid calls this solid henceforth a parallelepiped, though he never defines the word.
A rectangular parallelepiped has, as a rule, the three edges unequal, which meet at a point.
The volume of any parallelepiped, or of any triangular prism, is measured by the product of base and altitude.
But a triangular prism is equal in volume to a parallelepiped which has the same base and altitude.