prism: [16] The etymological idea underlying the word prism is of its shape, that of a ‘sawn-off’ piece. It comes via medieval Latin prisma from Greek prísma, a derivative of the verb prízein ‘saw’. Its optical application emerged in English at the beginning of the 17th century.
prism (n.)
1560s, a type of solid figure, from Late Latin prisma, from Greek prisma (Euclid), literally "something sawed," from prizein "to saw" (see prion). Meaning in optics is first attested 1610s.
雙語例句
1. Light is refracted when passed through a prism.
光通過棱鏡時(shí)產(chǎn)生折射。
來自《權(quán)威詞典》
2. A spectrum is formed by a ray of light passing through a prism.
一束光通過棱鏡就會形成光譜。
來自《權(quán)威詞典》
3. The prelude was as iridescent as a prism in a morning room.
這個(gè)序曲就象清晨房間里的一塊三棱鏡一樣燦爛輝煌.
來自《簡明英漢詞典》
4. The prism broke the light into all the colors of the rainbow.
棱鏡把光分解成虹的各種色彩.
來自《現(xiàn)代英漢綜合大詞典》
5. Release Packaging Material and PRISM system input, regular trend analysis and report.