Argand lamp
noun
- historical an oil or gas lamp fitted with a cylindrical burner which allowed air to pass both inner and outer surfaces of the flame〈史〉阿尔甘灯（一种油灯或汽灯, 有圆柱状灯头, 可让空气通过内焰和外焰）。
词源
late 18th cent.: named after Aimé Argand （1755-1803）， French physicist.