| 棱镜 | léng jìng | prism; prismatic lens | |
| 棱角 | léng jiǎo | edge and corner; protrusion; sharpness (of a protrusion); craggy; ridge corner | |
| 模棱两可 | mó léng liǎng kě | equivocal; ambiguous | |
| 有棱有角 | yǒu léng yǒu jiǎo | (of a shape) sharp and clearcut; (of a person) definite in his opinion | |
| 三棱镜 | sān léng jìng | (triangular) prism |
| 1 | A hitherto polite dispute is acquiring a sharper edge. | |
| 2 | Trenton is the state capital, and the flower is the purple violet. | |
| 3 | The redoubt of the Rue de la Chanvrerie, we repeat, seemed very calm within. | |
| 4 | Because we view the torus edge-on, the boundary edges of the cone shapes seem to form an X. | |
| 5 | illegally manufacturing, selling or carrying daggers, knives with three edges, switchblades or other types of controlled knives; |