Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “magnifying glass”

magnifying glass

noun [C]    
a piece of curved glass that makes objects look larger than they are: He uses a magnifying glass to read tiny print .Optics, microscopy and lasersEyesight, glasses and lenses
(Definition of magnifying glass noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of magnifying glass

Definitions of “magnifying glass” in other dictionaries

Word of the Day


a good knowledge of something, or the fact that you know it so well

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More