| 释义 |
prism/ˈpriz(ə)m/n. 1 a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms 棱柱体 2 a transparent body in this form, usu. triangular with refracting surfaces at an acute angle with each other, which separates white light into a spectrum of colours 棱镜 □ prismal /ˈprizm(ə)l/ adj.[Late Latin prisma from Greek prisma prismatos ‘thing sawn’, from prizō ‘to saw’] |