lenslens /lɛnz/ ●●○ noun [countable] 1
science a piece of curved glass or plastic which makes things look bigger or smaller, for example in a pair of glasses or in a telescope: glasses with thick lenses2the part of a camera through which the light travels before it reaches the part where the image is recorded: I use a zoom lens for sports photography (=one that you can change to make things look closer or further away). The camera has a telephoto lens (=one that makes faraway things look closer). A wide-angle lens is useful for landscape photographs (=one that gives a wide view).3science, biology the clear part behind the eye that changes shape to help the eye focus in order to see clearly4a contact lens [Origin: 1600–1700 Latin lentil; because of its shape]
science a piece of curved glass or plastic which makes things look bigger or smaller, for example in a pair of glasses or in a telescope: glasses with thick lenses2the part of a camera through which the light travels before it reaches the part where the image is recorded: I use a zoom lens for sports photography (=one that you can change to make things look closer or further away). The camera has a telephoto lens (=one that makes faraway things look closer). A wide-angle lens is useful for landscape photographs (=one that gives a wide view).3science, biology the clear part behind the eye that changes shape to help the eye focus in order to see clearly4a contact lens [Origin: 1600–1700 Latin lentil; because of its shape]