(n) light microscope consisting of a single convex lens that is used to produce an enlarged image, Syn. magnifying glass, simple microscope, Example:the magnifying glass was invented by Roger Bacon in 1250
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. A single convex lens which magnifies the apparent dimensions of objects seen through it, and is used to produce an enlarged image. Syn. -- hand glass. [ WordNet 1.5 ]