Fluorescence - Meaning, Definition & English Examples
Fluorescence is the emission of light by a substance that has absorbed light or other radiation. It glows brightly when exposed to certain wavelengths, often used in science and lighting.
Definition:
Emission of light by a substance after absorbing radiation, often glowing under UV light.
Synonyms:
luminescence, phosphorescence, glow, radiance
Part of Speech:
noun
Antonyms:
darkness, absorption
Common Collocations:
fluorescence microscopy, fluorescence spectroscopy, fluorescence emission, fluorescence intensity
Derivatives:
fluorescent, fluoresce
Usage Tips:
Use "fluorescence" to describe light emission from substances exposed to radiation like UV light.
Common Phrases:
fluorescence in situ hybridization (FISH), fluorescence quenching, fluorescence resonance energy transfer (FRET)
Etymology:
Derived from "fluorite," a mineral exhibiting this property, combined with "-escence" indicating a process or state.
Examples:
- 1. The jellyfish exhibits bright green fluorescence under UV light.
- 2. Scientists use fluorescence to study cellular structures in biology labs.
- 3. The rock’s blue fluorescence amazed the geologists during their expedition.
- 4. Fluorescence microscopy reveals details invisible to the naked eye.