phosphorescence

Advancedzipf 1.88

Pronunciation

/ˌfɒsfəˈrɛsəns/(fos-fuh-RES-unss)

Part of speech

nounneutral

Chinese

磷光;(海水等的)荧光

Definition

A faint light emitted by a substance without combustion or perceptible heat; a sustained glow after exposure to radiation or light.

Word family

  • phosphorescent/ˌfɒsfəˈrɛsənt/(adj)发磷光的
  • phosphoresce/ˌfɒsfəˈrɛs/(v)发磷光

Collocations

  • ocean phosphorescence
  • faint phosphorescence
  • green phosphorescence
  • natural phosphorescence

Examples

  1. 1.The boat's wake stirred up phosphorescence in the tropical water, leaving a trail of blue-green light. (bioluminescent glow)
  2. 2.Glow-in-the-dark stars work by phosphorescence — absorbing light then slowly releasing it in darkness. (sustained glow)

Synonyms

  • luminescence/ˌluːmɪˈnɛsəns/light without heat, broader term
  • bioluminescence/ˌbaɪoʊˌluːmɪˈnɛsəns/light from living organisms
  • fluorescence/flɔːˈrɛsəns/glow only while light source is present — stops immediately

Etymology

from Greek "phosphoros" (light-bearing) — phos (light) + pherein (to carry) — the same root as the element phosphorus