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Noun lens has 5 senses
  1. lens, lense, lens system - a transparent optical device used to converge or diverge transmitted light and to form images
    --1 is a kind of optical device
    --1 is a part of optical instrument
    --1 has particulars:
     anastigmat; anastigmatic lens; camera lens, optical lens; compound lens; condenser, optical condenser; contact, contact lens; converging lens, convex lens; crown lens; diverging lens, concave lens; eyepiece, ocular; field lens; Fresnel lens; intraocular lens; monocle, eyeglass; objective, object glass
  2. Lens, genus Lens - genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
    --2 is a kind of rosid dicot genus
    --2 is a member of Papilionoideae, subfamily Papilionoideae
  3. lens - (metaphor) a channel through which something can be seen or understood; "the writer is the lens through which history can be seen"
    --3 is a kind of     channel, communication channel, line
  4. lens, crystalline lens - biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina
    --4 is a kind of organ
    --4 is a part of eye, oculus, optic
    --4 has parts: lens capsule
  5. lens, electron lens - electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
    --5 is a kind of electronic equipment
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