Definition of magnifying glass noun from the Oxford Advanced Learner's Dictionary


magnifying glass

BrE BrE//ˈmæɡnɪfaɪɪŋ ɡlɑːs//
; NAmE NAmE//ˈmæɡnɪfaɪɪŋ ɡlæs//
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a round piece of glass, usually with a handle, that you look through and that makes things look bigger than they really are He examined the stamp under a powerful magnifying glass. peering at it through her magnifying glass
See the Oxford Advanced American Dictionary entry: magnifying glass