Phosphorescence

usgb/ˌfɑːsfəˈresns/
noun

The property of glow in dark when exposed to light or other forms of radiation.

The phosphorescence of some rocks helps miners to find their way in the dark.
Visual representation of "phosphorescence" - The property of glow in dark when exposed to light or other forms of radiation.

Often appears as...

  • phosphorescence glow
  • phosphorescence in dark

Usage tips

Technical

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Visual representation of "phosphorescence"
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Science Connection

Phosphorescence is often used in scientific contexts to describe materials that emit light without heat.

Illustration for Science Connection
Researchers study the phosphorescence of algae to understand bioluminescence.
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Safety Uses

Phosphorescent materials are used in safety signs and emergency exits as they can glow in the dark.

Illustration for Safety Uses
The emergency exits were marked by a phosphorescent strip on the floor.
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Persistent Glow

The glow of phosphorescent objects lasts longer than fluorescence, often visible for several hours.

Illustration for Persistent Glow
The children's room had stars on the ceiling that showed a gentle phosphorescence at night.
Visual representation of the word "Phosphorescence"

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