((physics{{#if:|,{{{2}}}{{#if:|,{{{3}}}{{#if:|,{{{4}}}{{#if:|,{{{5}}}{{#if:|,{{{6}}}{{#if:|,{{{7}}}{{#if:|,{{{8}}}{{#if:|,{{{9}}}}}}}}}}}}}}}}}}})), (archeology) a method of estimating the age of an artefact based on the relativeamounts of the different isotopes of carbon present in a sample
