a type of lamp in which an electrical gas discharge is maintained in a tube with a thin layer of phosphor on its inside surface. The gas, which is often mercury vapour, emits ultraviolet radiation causing the phosphor to fluoresce
2.
a type of lamp in which an electrical discharge is maintained in a tube containinga gas such as neon, mercury vapour, or sodium vapour at low pressure. Gas atoms in the discharge are struck by electrons and fluoresce
fluorescent lamp in American English
fluorescent tube
US
a glass tube coated on the inside with a fluorescent substance that gives off a bright light (fluorescent light) when a vapor, usually mercury vapor, in the tube is acted upon by a stream of electrons from the cathode
Examples of 'fluorescent lamp' in a sentence
fluorescent lamp
A reliable but difficult alternative to this is temporarily to replace the existing tubes with fluorescent lamps that are specially corrected for photography.
Freeman, Michael Collins Complete Guide to Photography (1993)