magnifying glass
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magnifying glass: see microscope microscope, optical instrument used to increase the apparent size of an object. Simple Microscopes

A magnifying glass, an ordinary double convex lens having a short focal length, is a simple microscope.
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magnifying glass, magnifier

a convex lens used to produce an enlarged image of an object

magnifying glass [′mag·nə‚fī·iŋ ‚glas]

(optics)

Any device that uses a simple lens which enlarges the object being viewed.

simple microscope

magnifying glass

traditional detective equipment; from its use by Sherlock Holmes. [Br. Lit.: Payton, 473]

See : Sleuthing

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magnifying glass (redirected from Optical device - hand lens)

magnifying glass
(redirected from Optical device - hand lens)