a convex lens used to produce an enlarged image of an object
WordReference Random House Learner's Dictionary of American English © 2025
mag•ni•fy•ing glass /ˈmægnəˌfaɪɪŋ ˌglæs/USA pronunciation n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Opticsa lens that makes an object appear larger.
mag′nifying glass′,
- Opticsa lens that produces an enlarged image of an object. Cf. hand lens.
- 1655–65
Collins Concise English Dictionary © HarperCollins Publishers::
'magnifying glass' also found in these entries (note: many are not synonyms or translations):