Radiocarbon-dating Synonyms
            A chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years
        
 Synonyms:
 - carbon-dating
 - carbon-15 dating
 - dating
 - half-life dating
 - thermoluminescence
 - radiometric-dating
 - carbon-14 dating