- 1. n. A convex lens of glass for producing heat by converging the sun's rays into a focus. Source: opted
- 2. n. a convex lens that focuses the rays of the sun; used to start a fire Source: wordnet
- 3. A convex lens of glass for producing heat by converging the sun's rays into a focus. "Lighting a cigar with a sunglass." Hawthorne. Source: webster
- 4. A convex lens of glass for producing heat by converging thesun's rays into a focus. "Lighting a cigar with a sunglass."Hawthorne. Source: adambom
- 5. n. a convex lens that focuses the rays of the sun; used to start a fire Source: ecdict
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sunglass
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