| 单词 | prism |
| 释义 | prism n. 1. a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms. 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. Derivatives prismal adj. Etymology: LL prisma f. Gk prisma prismatos thing sawn f. prizo to saw |
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