prisms is a form of:

Prism



1.
(FIGURATIVE) អ្វីៗដែលយល់ខុស
noun
1.
(A solid figure whose ends are equal and parallel polygons and whose sides are parallelograms; transparent prism with triangular ends used to reflect light or separate into its different colors) ព្រិស្ម, អក្ស័
ENGLISH MEANING
noun
1.
A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms.
2.
A transparent body, with usually three rectangular plane faces or sides, and two equal and parallel triangular ends or bases; -- used in experiments on refraction, dispersion, etc.
3.
A form the planes of which are parallel to the vertical axis.