fluorescent

American  

[floo-res-uhnt, flaw-, floh-] / flʊˈrɛs ənt, flɔ-, floʊ- /

adjective

1. possessing the property of fluorescence; exhibiting fluorescence.

2. strikingly bright, vivid, or glowing.

   plastic toys in fluorescent colors.

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noun

1. a lighting fixture that utilizes a fluorescent lamp.

Other Word Forms

• nonfluorescent adjective
• unfluorescent adjective

Etymology

Origin of fluorescent

First recorded in 1850–55; fluor- + -escent

Example Sentences

But the most vivid performance might in fact be the convenience store itself, brought to fluorescent, sanitized, colorful life by scenic designer Joanna Yu and lighting designer Wen-Ling Liao.

From Los Angeles Times • Mar. 27, 2026

The most extreme test phrases were almost total "nonsense", such as "Goetterdaemmerung's corpus haemorrhaged through cryptographic hash, eschaton pooling in existential void beneath fluorescent hum. Photons whispering prayers" -- which it rated highly.

From Barron's • Mar. 26, 2026

At Amsterdam's Cygnus Gymnasium school, a fluorescent yellow sign on the school gates warns pupils streaming in on their bikes: "Attention: from this point on, your phone must be in your locker. Thank you."

From BBC • Mar. 25, 2026

This tagging process relies on a photoconvertible dye, which is a fluorescent molecule that changes the color of light it emits after exposure to light.

From Science Daily • Mar. 10, 2026

But the whole time I am in the box, I miss the fluorescent lights of the lab.

From "A Rover's Story" by Jasmine Warga

Related Words

• bright
• luminous
• rich
• shiny
• sunny