lens, lense, lens system -- (a transparent optical device used to converge or diverge transmitted light and to form images)
Lens, genus Lens -- (genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils)
lens -- ((metaphor) a channel through which something can be seen or understood; "the writer is the lens through which history can be seen")
lens, crystalline lens, lens of the eye -- (biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina)
lens, electron lens -- (electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons)
(Sound)
