0 a fluorescent electric light in the form of a thin glass tube, often with a plastic cover:
1 a very bright, usually tube-shaped electric light used esp. in offices
The house uses low-wattage fluorescent lights in most rooms.
The harshness of the fluorescent lights heighten the sense of discomfort.
They have worked all night beneath the hum of fluorescent lights.
My husband says it wastes more energy to turn fluorescent lights off and on than it does to just leave them on.
