lens

1. (noun) a transparent optical device used to converge or diverge transmitted light and to form images
Synonyms: lens system
Related Words: Fresnel lens, anastigmat, anastigmatic lens, camera lens, compound lens, concave lens, condenser, contact lens, converging lens, convex lens, crown lens, diverging lens, eyeglass, eyepiece, intraocular lens, monocle, object glass, objective, ocular, optical condenser, optical device, optical lens

2. (noun) equipment that uses a magnetic or electric field in order to focus a beam of electrons
Synonyms: electron lens
Related Words: electronic equipment

3. (noun) biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina
Synonyms: crystalline lens
Related Words: organ

4. (noun) genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
Synonyms: genus Lens
Related Words: rosid dicot genus



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