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magnifying glass |
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magnifying glass: see microscope microscope, optical instrument used to increase the apparent size of an object.
Simple MicroscopesA magnifying glass, an ordinary double convex lens having a short focal length, is a simple microscope. ..... Click the link for more information. . 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. magnifying glass traditional detective equipment; from its use by Sherlock Holmes. [Br. Lit.: Payton, 473] See : Sleuthing How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| For example, while a teacher's objective may be to have students observe moss plants with magnifying glasses, they may initially be more interested in looking at hairs on their hands or the tips of their pens. The pundits of pro football may as well have been armed with magnifying glasses, trench coats and Sherlock Holmes' deerstalking hats the way they've been scouring the NFL in recent weeks in search of the team that could be this year's Pittsburgh Steelers. Using magnifying glasses, workers at Matsumura Technology in Tokyo compare blown-up sections of counterfeit $100 biLLs against a genuine bill that has been enlarged 400 times. |
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