Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • A trademark used for fluorescent coloring agents and materials. This trademark sometimes occurs in print in lowercase: "The troupe's staging . . . follows Alice's fantasy romp through day-glo daisies, past a smiling Cheshire cat” ( Los Angeles Times).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A luminous paint that glows in a variety of brilliant colours though most commonly red or orange; used especially for outdoor advertising.

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