| |
Earliest Known Uses of Some of the Words of Mathematics (P) |
 | | PRISMATOID (as a geometric figure) occurs in the title Das Prismatoid, by Th. |
| | Prismatoid is found in English in 1881 in Metrical geometry. |
| | A prismatoid is a polyhedron whose bases are any two polygons in parallel planes, and whose lateral faces are determined by so joining the vertices of these bases that each line in order forms a triangle with the preceding line and one side of either base. |
| members.aol.com /jeff570/p.html (13956 words) |
