radiometric dating
(ra-di-o-met-ric-dat-ing)
6 syllables
Definition
noun. A method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample.
Example Sentence
Radiometric dating has revolutionized our understanding of the age of the Earth.
More Example Sentences
Scientists use radiometric dating to determine the age of ancient fossils and rocks.
Synonyms
carbon dating; isotope dating; radioactive dating
Antonyms
relative dating; non-radiometric methods; indirect dating
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radiometric dating