📖 Dictionary

26984 words

fluorescent

3 definitions • 6 examples

1

producing light by fluorescence (= absorbing light of a short wavelength and producing light of a longer wavelength):

Examples:

fluorescent lighting

Fluorescent bulbs use less electricity than incandescent bulbs.

Many biological substances are fluorescent under UV light.

2

Fluorescent colours are very bright, especially when light is shining on them:

Examples:

fluorescent green/yellow/orange/pink

I bought some highlighter pens in fluorescent colours.

3

(of a substance) giving off a very bright light when electricity or other waves go through it:

Examples:

The map was marked with a thin, fluorescent-green line.

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