bn:00042780n
Noun Concept
Categories: Magnifiers, All articles needing additional references, English inventions
EN
hand glass  simple microscope  magnifying glass  hand lens  Low vision aid
EN
Light microscope consisting of a single convex lens that is used to produce an enlarged image WordNet 3.0
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EN
Light microscope consisting of a single convex lens that is used to produce an enlarged image WordNet 3.0 & Open English WordNet
A magnifying glass is a convex lens that is used to produce a magnified image of an object. Wikipedia
An optical device for magnification Wikipedia Disambiguation
A piece of glass that make images look bigger Wikidata
An instrument made of convex glass, used to magnify. Wiktionary
A microscope with only one lens. Wiktionary
EN
The magnifying glass was invented by Roger Bacon in 1250 WordNet 3.0 & Open English WordNet