the GNU version of the Collaborative International Dictionary of English
n. One who, or that which, magnifies.
The Century Dictionary and Cyclopedia
n. One who or that which magnifies or enlarges.
n. Specifically, an optical instrument that magnifies; a convex lens, a concave mirror, or a combination of lenses or mirrors, which increases the apparent magnitude of bodies.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a scientific instrument that magnifies an image
Word Usage
"The magnifier is a tool numismatists have in their hands all the time."