a miner’s lamp in which the flame is protected by wire gauze to prevent the immediate ignition of explosive gases.
an oil-burning miner’s lamp in which the flame is surrounded by a metal gauze to prevent it from igniting combustible gas Also called Davy lamp
- Safety lens
safety lens safe·ty lens (sāf’tē) n. A lens that meets government specifications for impact resistance.
noun 1. an auxiliary lintel concealed behind a visible lintel, arch, etc.
noun 1. a lock designed to prevent picking. 2. safety (def 4).
noun, Football. 1. safety (def 6c).