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fluorescent lamp
noun
: a usually tubular electric lamp having a coating of fluorescent material on its inner surface and containing mercury vapor whose bombardment by electrons from the cathode provides ultraviolet light which causes the material to emit visible light
Examples of fluorescent lamp in a Sentence
Recent Examples on the Web
Pin-base compact fluorescent lamps or linear fluorescent lamps will be prohibited the following year.
—Greg Bishop | The Center Square, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 11 Aug. 2024
Krypton is useful, however, and is often employed in fluorescent lamps.
—Discover Magazine, 29 June 2010
The usual way is to place the baby under halogen spotlights or fluorescent lamps.
—Tolu Ajiboye, Verywell Health, 12 May 2023
For example, the American Cancer Society's website explains that doctors may use fluorescent lamps to administer carefully controlled UV-A and UV-B treatments for those with skin lymphoma.
—Ian Richardson, USA TODAY, 30 Apr. 2020
Another good option for cost savings is using compact fluorescent lamps, or CFLs.
—Adam Shell, USA TODAY, 14 Apr. 2020
Housecall reports that each incandescent light bulb could cost you up to $180 in electricity, while a compact fluorescent lamp bulb would only cost you $41 per bulb, and an LED bulb would only cost you about $30 per bulb.
—Taylor Mead, House Beautiful, 15 May 2019
Using new lighting technologies, such as light-emitting diodes (LEDs) and compact fluorescent lamps (CFLs), can reduce the energy use required by lighting by more than half.
—Sarah Bowman, Indianapolis Star, 1 Jan. 2018
The Dingo Fence is made of wooden posts connected by wire mesh (electric in some sections) and much of it is lit at night by alternating red and white fluorescent lamps and patrolled by a staff of 23 full-time employees.
—Ken Jennings, Condé Nast Traveler, 4 Dec. 2017
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Word History
First Known Use
1896, in the meaning defined above
Dictionary Entries Near fluorescent lamp
Cite this Entry
“Fluorescent lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluorescent%20lamp. Accessed 5 Nov. 2024.
Kids Definition
fluorescent lamp
noun
: an electric lamp in the form of a tube in which light is produced on the inside fluorescent coating by the action of ultraviolet light
More from Merriam-Webster on fluorescent lamp
Thesaurus: All synonyms and antonyms for fluorescent lamp
Britannica.com: Encyclopedia article about fluorescent lamp
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