magnifying glass

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Related to magnifying glasses: Reading glasses

magnifying glass:

see microscopemicroscope,
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. The reading lens and hand lens are instruments of this type.
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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]

magnifying glass

, magnifier
a convex lens used to produce an enlarged image of an object
References in periodicals archive ?
You never see magnifying glasses at the check-out at W H Smith like the huge bars of Dairy Milk they push on you with the fervour of crack cocaine dealers.
The mother of one teacher ordered his classroom five magnifying glasses in honor of the teacher's birthday.
Even though Many a Slip is made of stuff like Q-Tips, matches, floor tiles, magnifying glasses, household sponges, pushpins, plastic spoons, clothespins, and chair caning - to name just a few items in what could easily become a Whitmanesque catalogue of the entire contents of your local "discount store" as seen through the most discerning eye to have scrutinized the coloristic potential of cheap plastics since Tony Cragg's in the '80s - its shambling makeshift construction gives the impression of being unaccountably sturdy: There looks to be a lot of "give" to it, and more structural redundancy than you might first think.
I've never seen such positive response from my patients, in most cases they are returning to the hobbies and activities they love without distance or magnifying glasses or other corrective lenses.