prism

/'prizm/

BNC频率: 21115

现代语料频率: 13056

大学英语六级

n. 棱镜, 棱柱

[化] 棱镜

n. a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms

n. optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image

复数形式:prisms

A silicate of aluminium, occurring usually in thick rhombic prisms, nearly square, of a grayish or pale reddish tint

It occurs in white or yellowish transparent, prismatic crystals.

A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface

An oxychloride of copper, usually in emerald-green prismatic crystals.

having a pyramid at each of the extremities of a prism, as in quartz crystals.

今日更新

更新时间：2025-05-26 01:04:59