稜柱〔棱-〕 ling⁴ cyu⁵ {léng zhù}

prism

稜鏡〔棱镜〕 ling⁴ geng³ {léng jìng}

1. prism
2. prismatic lens

稜角〔棱-〕 ling⁴ gok³ {léng jiǎo}

1. edge and corner
2. protrusion
3. sharpness (of a protrusion)
4. craggy
5. ridge corner

稜臺〔棱台〕 ling⁴ toi⁴ {léng tái}

prism

稜錐〔棱锥〕 ling⁴ zeoi¹ {léng zhuī}

pyramid (geometry)