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