1. emitting light as a result of absorbing radiation; glowing or shining brightly
2. of or relating to fluorescence; produced by fluorescent materials or lamps
3. very bright or vivid in color; eye-catching

Examples

• The fluorescent lights in the classroom hummed softly overhead.
• She wore a fluorescent yellow jacket so drivers could see her while jogging at night.
• The highlighter's fluorescent pink color made the important text stand out.
• Fluorescent minerals glow under ultraviolet light.
• The sign's fluorescent paint glowed brightly in the dark.
• Many office buildings use fluorescent lighting to save energy.
• The artist used fluorescent dyes to create a striking, vibrant painting.