thermoluminescence: meaning, definition, pronunciation and examples
C2Scientific/Technical
Quick answer
What does “thermoluminescence” mean?
The emission of light from a material when it is heated.
Audio
Pronunciation
Definition
Meaning and Definition
The emission of light from a material when it is heated.
A physical phenomenon used in scientific dating and radiation dosimetry, where trapped electrons in crystals are released as light upon heating, providing a measurable signal proportional to prior radiation exposure.
Dialectal Variation
British vs American Usage
Differences
No significant spelling or usage differences. UK English may more commonly use '-isation' suffix in related terms (thermoluminescent dating), but the core noun is identical.
Connotations
Identical technical connotations in both dialects.
Frequency
Equally rare and specialised in both dialects, confined to archaeology, geology, radiation physics, and materials science.
Grammar
How to Use “thermoluminescence” in a Sentence
The pottery sample exhibited thermoluminescence.Thermoluminescence is used to date the artifact.Researchers measured the thermoluminescence of the mineral.Vocabulary
Collocations
Examples
Examples of “thermoluminescence” in a Sentence
verb
British English
- The sample did not thermoluminesce significantly, suggesting a recent firing.
American English
- The material thermoluminesces most strongly at 300°C.
Usage
Meaning in Context
Business
Extremely rare; only in highly specialised consulting firms dealing with archaeological authentication or radiation safety equipment.
Academic
Standard term in archaeology (for dating pottery, burnt flint), geology, radiation physics, and materials science.
Everyday
Virtually never used.
Technical
The primary context. Refers to both the phenomenon and the analytical technique.
Vocabulary
Synonyms of “thermoluminescence”
Strong
Neutral
Weak
Vocabulary
Antonyms of “thermoluminescence”
Watch out
Common Mistakes When Using “thermoluminescence”
- Misspelling as 'thermoluminiscence' (missing 'e').
- Using it as a verb (e.g., 'it thermoluminesces' is technically possible but extremely rare and jarring).
- Confusing it with 'incandescence' (light from being hot) – thermoluminescence is light from heat-triggered release of stored energy, not from the heat itself.
FAQ
Frequently Asked Questions
Its primary uses are dating ancient fired materials (like pottery or burnt stone) and measuring accumulated radiation dose in dosimetry.
No. Carbon dating (radiocarbon dating) measures the decay of Carbon-14 in organic remains. Thermoluminescence dates the last heating event of inorganic crystalline materials like ceramics or rocks.
Usually not. The light emitted is very faint and requires sensitive photomultiplier equipment to detect and measure accurately.
Because exposure to light (especially sunlight) can bleach out the trapped electrons, resetting the 'clock' and giving an inaccurate, younger date.
The emission of light from a material when it is heated.
Thermoluminescence is usually scientific/technical in register.
Thermoluminescence: in British English it is pronounced /ˌθɜː.məʊˌluː.mɪˈnes.əns/, and in American English it is pronounced /ˌθɝː.moʊˌluː.məˈnes.əns/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: THERMO (heat) + LUMINESCENCE (glowing light). It's the 'glow from heat' released from materials that have stored energy, like a glow-in-the-dark toy warmed in your hands.
Conceptual Metaphor
A 'light memory bank': The material absorbs and stores energy over time (like saving data), and heating is the 'command' to play back that stored energy as light.
Practice
Quiz
Thermoluminescence is most closely associated with which field?