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Definition of burning glass in English: burning glassnoun A lens for concentrating the sun's rays on an object so as to set fire to it. Example sentencesExamples - If a spherical glass vessel is filled with clear water, it acts like a round burning glass.
- But the city was defended by Archimedes, a greater inventor, whose ‘burning glasses’ and other counter-engines destroyed the attackers' siege engines.
- A glass bowl full of water had been used as a magnifier and burning glass in antiquity.
Definition of burning glass in US English: burning glassnounˈbərniNG ɡlas A lens for concentrating the sun's rays on an object so as to set fire to it. Example sentencesExamples - But the city was defended by Archimedes, a greater inventor, whose ‘burning glasses’ and other counter-engines destroyed the attackers' siege engines.
- If a spherical glass vessel is filled with clear water, it acts like a round burning glass.
- A glass bowl full of water had been used as a magnifier and burning glass in antiquity.
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