名詞 prism:

1. a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
2. optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
   同義詞：optical prism

1. Light is refracted when passed through a prism.
   光線經(jīng)過棱鏡時(shí)產(chǎn)生折射現(xiàn)象。
2. A prism decomposes light.
   棱鏡可以分解光線。
3. The sunlight will break into different colors through a prism.
   陽(yáng)光穿過棱鏡時(shí)將分解成各種顏色。

prism

n.（名詞）
A solid figure whose bases or ends have the same size and shape and are parallel to one another, and each of whose sides is a parallelogram.
棱柱（體），角柱（體）：多面固體，上下兩底面大小、形狀相同，且彼此平行，其余諸面則為平行四邊形
A transparent body of this form, often of glass and usually with triangular ends, used for separating white light passed through it into a spectrum or for reflecting beams of light.
棱鏡：這種形狀的透明體，多為玻璃制成，通常兩端為三角形，用來分解穿過柱體的白光，使光束發(fā)生色散或用來反射光線
A cut-glass object, such as a pendant of a chandelier.
刻花玻璃物體：如枝形吊燈的玻璃吊燈架
A crystal form consisting of three or more similar faces parallel to a single axis.
斜方晶：有三個(gè)或三個(gè)以上類似的面，且各面均平行于一根軸的一種晶體形式
A medium that misrepresents whatever is seen through it.
折光體：扭曲通過它看到的東西的中介質(zhì)

來源：
Late Latin prosma
后期拉丁語 prosma
from Greek prisma [thing sawed off, prism]
源自 希臘語 prisma [被鋸掉的東西，棱柱]
from priein, prizein [to saw]
源自 priein, prizein [鋸]