thermoluminescence dating: meaning, definition, pronunciation and examples
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Quick answer
What does “thermoluminescence dating” mean?
A scientific method for dating archaeological materials by measuring the light emitted from minerals (like quartz) when they are heated, which indicates the time elapsed since the material was last heated or exposed to sunlight.
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Pronunciation
Definition
Meaning and Definition
A scientific method for dating archaeological materials by measuring the light emitted from minerals (like quartz) when they are heated, which indicates the time elapsed since the material was last heated or exposed to sunlight.
A geochronological and archaeological dating technique used to determine the age of ceramic artifacts, burned flints, or sediments. It relies on the principle that natural radiation over time excites electrons trapped in crystal lattices, and heating releases this energy as a measurable light signal proportional to the accumulated dose.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage or spelling. The technique is named identically in both scientific communities.
Connotations
Identical in both varieties, connoting precision, scientific rigour, and a specific niche within absolute dating methods.
Frequency
Frequency is identically very low in both, confined to specialised scientific contexts.
Grammar
How to Use “thermoluminescence dating” in a Sentence
[Undergo/use/subject to] thermoluminescence datingThe [artifact] was dated using thermoluminescence dating.Thermoluminescence dating of the [sample] revealed...Results from thermoluminescence dating indicate...Vocabulary
Collocations
Examples
Examples of “thermoluminescence dating” in a Sentence
verb
British English
- The research team decided to date the flint using thermoluminescence.
American English
- The lab will run thermoluminescence dating on the ceramic samples.
adverb
British English
- The sample was dated thermoluminescently, confirming its antiquity.
American English
- The artifact was dated thermoluminescently, providing a firm chronology.
adjective
British English
- The thermoluminescence dating results were conclusive.
American English
- We need a thermoluminescence dating expert for this project.
Usage
Meaning in Context
Business
Not used.
Academic
Heavily used in archaeology, geology, and physics research papers. Example: 'The chronology was established through a combination of radiocarbon and thermoluminescence dating.'
Everyday
Extremely rare. Might appear in high-level documentaries or popular science articles.
Technical
The standard context. Used in laboratory reports, method sections, and specialist discussions about dating techniques and their limitations.
Vocabulary
Synonyms of “thermoluminescence dating”
Strong
Neutral
Weak
Vocabulary
Antonyms of “thermoluminescence dating”
Watch out
Common Mistakes When Using “thermoluminescence dating”
- Misspelling: 'thermoluminescence' (often omitting an 'm' or 'n').
- Confusing it with radiocarbon dating (TL dates ceramics/minerals; C14 dates organic matter).
- Using it as a verb incorrectly: e.g., 'They thermoluminescenced the pot.' (Correct: 'The pot was subjected to thermoluminescence dating.')
FAQ
Frequently Asked Questions
It measures the amount of light released when a mineral is heated, which corresponds to the radiation dose it has absorbed since its last heating event.
Yes, it can date objects from a few hundred years old up to several hundred thousand years, making it useful for a wide span of human history and prehistory.
No. Radiocarbon dating measures the decay of Carbon-14 in organic materials. Thermoluminescence dating measures trapped electrons in minerals and is used for ceramics, burnt stone, and sediments.
A key advantage is that it directly dates the last heating event of an inorganic object (like firing a pot), rather than dating associated material, providing a direct age for the artifact itself.
A scientific method for dating archaeological materials by measuring the light emitted from minerals (like quartz) when they are heated, which indicates the time elapsed since the material was last heated or exposed to sunlight.
Thermoluminescence dating is usually technical/scientific/academic in register.
Thermoluminescence dating: in British English it is pronounced /ˌθɜː.məʊˌluː.mɪˈnes.əns ˈdeɪ.tɪŋ/, and in American English it is pronounced /ˌθɝː.moʊˌluː.məˈnes.əns ˈdeɪ.t̬ɪŋ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: THERMO (heat) + LUMINESCENCE (glowing light) + DATING (finding age). Heat makes ancient minerals glow to tell their age.
Conceptual Metaphor
A mineral is a 'light trap clock'. Over time, it stores light energy from radiation; heating resets the clock and releases the stored 'time' as light.
Practice
Quiz
Thermoluminescence dating is primarily used on which type of material?