phosphorescence
UK[ˌfɒsfəˈrɛsəns]US[ˌfɑːsfəˈrɛsəns]
n
A kind of light that is created in the dark by some substances after they have absorbed light or other radiation, and that continues for some time after the source of radiation has gone.
n
The property of emitting light in this way.
Morpheme Breakdown
phosphor
escence
phosphor
light-bringing
escence
process or state of being
Etymology
The word 'phosphorescence' illuminates its own meaning through its classical components. It originates from the Greek phōsphoros, meaning 'light-bringing,' an epithet for the planet Venus as the morning star. This term itself is a compound of phōs (light) and -phoros (bearing). In the 18th century, scientists adopted 'phosphor' for substances that glow in the dark, and the Latin-derived suffix '-escence,' denoting a state or process, was appended. Thus, the modern scientific term literally describes 'the state or process of being a light-bringer,' elegantly capturing the phenomenon where certain materials continue to emit light after the initial energy source is removed.
Analysis
Structure: phosphor (light-bringing) + escence (process or state of being)
- phosphor: From Latin phosphorus, from Greek phōsphoros (light-bringing, morning star), from phōs (light) + -phoros (bearing, bringing). In this word, it functions as the root indicating light.
- escence: A noun-forming suffix from Latin -escentia, indicating a process, state, or property of being. It functions as a suffix denoting the state or phenomenon.
Examples
The boat cut through the water, leaving a trail of eerie blue phosphorescence in its wake.
The scientist studied the phosphorescence of certain minerals long after exposure to ultraviolet light.
The cave was dark except for the faint green phosphorescence of the fungus on the walls.