burning lens

См. также в других словарях:

• Burning-glass — A burning glass is a large convex lens that can concentrate the sun s rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface. They were used in 18th century chemical studies for burning materials in… …   Wikipedia

• Burning — Burn ing, n. The act of consuming by fire or heat, or of subjecting to the effect of fire or heat; the state of being on fire or excessively heated. [1913 Webster] {Burning fluid}, any volatile illuminating oil, as the lighter petroleums (naphtha …   The Collaborative International Dictionary of English

• Burning fluid — Burning Burn ing, n. The act of consuming by fire or heat, or of subjecting to the effect of fire or heat; the state of being on fire or excessively heated. [1913 Webster] {Burning fluid}, any volatile illuminating oil, as the lighter petroleums… …   The Collaborative International Dictionary of English

• Burning glass — Burning Burn ing, n. The act of consuming by fire or heat, or of subjecting to the effect of fire or heat; the state of being on fire or excessively heated. [1913 Webster] {Burning fluid}, any volatile illuminating oil, as the lighter petroleums… …   The Collaborative International Dictionary of English

• Burning house — Burning Burn ing, n. The act of consuming by fire or heat, or of subjecting to the effect of fire or heat; the state of being on fire or excessively heated. [1913 Webster] {Burning fluid}, any volatile illuminating oil, as the lighter petroleums… …   The Collaborative International Dictionary of English

• Burning mirror — Burning Burn ing, n. The act of consuming by fire or heat, or of subjecting to the effect of fire or heat; the state of being on fire or excessively heated. [1913 Webster] {Burning fluid}, any volatile illuminating oil, as the lighter petroleums… …   The Collaborative International Dictionary of English

• Burning Kingdom — EP by Smog Released September 19, 1994 Recorded 1994 …   Wikipedia

• burning glass — n. a convex lens for focusing the sun s rays so as to produce heat or set fire to something …   English World dictionary

• burning glass — lens of glass which causes combustion by focusing the sun s rays …   English contemporary dictionary

• Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra …   Wikipedia

• burning glass — noun : a positive lens for producing intense heat by converging the sun s rays approximately to the principal focus of the lens the point of convergence being a very small image of the sun …   Useful english dictionary