炭素14法たんそじゅうしほうMeaningsNoun1. carbon-14 dating; radiocarbon datingOther spellings炭素一四法たんそじゅうしほう炭たん素そ十じゅう四し法ほうUsage share unknownKanji used炭charcoal素elementary法lawKanji in other spellings一one四four十ten