carbon dating: meaning, definition, pronunciation and examples
B2Technical, Academic, Occasionally Journalistic
Quick answer
What does “carbon dating” mean?
A scientific method for determining the approximate age of organic materials by measuring the decay of radioactive carbon-14 isotopes.
Audio
Pronunciation
Definition
Meaning and Definition
A scientific method for determining the approximate age of organic materials by measuring the decay of radioactive carbon-14 isotopes.
More broadly used to refer to any process of scientific age determination, often figuratively to suggest estimating the age of something old or archaic.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The term is identical and equally technical in both varieties.
Connotations
Neutral scientific connotations in both. Figurative use (e.g., 'that policy is so old it needs carbon dating') carries a mildly humorous connotation of great antiquity.
Frequency
Slightly higher frequency in British media and academic contexts due to the prominence of institutions like Oxford Radiocarbon Accelerator Unit, but the term is standard globally.
Grammar
How to Use “carbon dating” in a Sentence
The archaeologists performed carbon dating ON the bones.The sample was subjected TO carbon dating.Carbon dating OF the artifact revealed its age.They used carbon dating TO determine the age.Vocabulary
Collocations
Examples
Examples of “carbon dating” in a Sentence
verb
British English
- The team hope to carbon-date the textile fragments next week.
- This ivory artefact has been carbon-dated to the 5th century.
American English
- The lab will carbon-date the wooden beam to confirm its age.
- The sample was carbon-dated, yielding a surprising result.
adverb
British English
- The bones were dated carbon-metrically. (Very rare/technical)
American English
- The age was determined carbon-metrically. (Very rare/technical)
adjective
British English
- The carbon-dating results were inconclusive.
- We're awaiting the carbon-dating report from the university.
American English
- The carbon-dating analysis placed the site at 12,000 BCE.
- They used carbon-dating techniques on the charcoal sample.
Usage
Meaning in Context
Business
Rare, except in businesses related to archaeology, authentication, or scientific services.
Academic
Common in archaeology, anthropology, geology, history, and environmental science papers.
Everyday
Understood by educated non-specialists, often used in news reports about historical discoveries or figuratively.
Technical
The standard term in scientific literature, with precise protocols (e.g., calibration, AMS carbon dating).
Vocabulary
Synonyms of “carbon dating”
Strong
Neutral
Weak
Vocabulary
Antonyms of “carbon dating”
Watch out
Common Mistakes When Using “carbon dating”
- Using 'carbon dating' for inorganic materials like rocks (it's for organic remains).
- Saying 'carbon date' as a verb without context (prefer 'perform carbon dating on').
- Confusing it with other dating methods like potassium-argon dating.
FAQ
Frequently Asked Questions
Carbon dating is generally reliable for objects up to about 50,000 to 60,000 years old. Beyond that, the amount of carbon-14 is too small to measure accurately.
No, dinosaur bones are millions of years old, far beyond the range of carbon-14 dating. Other radiometric methods, like potassium-argon dating, are used for such ancient fossils.
There is no difference; they are synonyms. 'Radiocarbon dating' is the more formal, scientific term, while 'carbon dating' is the common abbreviated form.
Calibration is necessary because the amount of carbon-14 in the atmosphere has varied over time due to factors like solar activity and geomagnetic fields. Calibration curves, often based on tree-ring data (dendrochronology), adjust raw radiocarbon ages to calendar years.
A scientific method for determining the approximate age of organic materials by measuring the decay of radioactive carbon-14 isotopes.
Carbon dating is usually technical, academic, occasionally journalistic in register.
Carbon dating: in British English it is pronounced /ˌkɑː.bən ˈdeɪ.tɪŋ/, and in American English it is pronounced /ˌkɑːr.bən ˈdeɪ.t̬ɪŋ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “As reliable as carbon dating (figurative, positive)”
- “Old enough to need carbon dating (humorous, derogatory)”
Learning
Memory Aids
Mnemonic
Think: CARBON is in all living things. DATING is finding out how old something is. Carbon Dating = finding age using carbon.
Conceptual Metaphor
TIME IS A MEASURABLE SUBSTANCE (the carbon decays at a known rate, like a clock running down).
Practice
Quiz
Carbon dating is primarily used to determine the age of which type of material?