- lensAn object, usually made of glass, that focuses or defocuses the light that passes through it.
- lenticularOf or pertaining to a lens.
- lenticelOne of the small, oval, rounded spots upon the stem or branch of a plant, from which the underlying tissues may protrude or roots may issue, either in the air, or more commonly when the stem or branch is covered with water or earth.
- lenticularisa cloud species which consists of rounded lens shaped of cloud, often forming near mountains. Associated with cirrocumulus, and altocumulus, and sometimes stratocumulus genera.
- lentiformShaped like a biconvex lens.