放ほう射しゃ性せい炭たん素そ年ねん代だい測そく定てい法ほうMeaningsNoun1. radiocarbon datingKanji used放release射shoot性nature (of a person)炭charcoal素elementary年year代substitute測survey定define法lawPitch accentほうしゃせいたんそねんだいそくていほうほうしゃせいたんそねんだいそくていほうComposed of放ほう射しゃ性せいradioactiveNoun炭たん素そcarbon (C)Noun年ねん代だいage; era; period; dateNoun測そく定ていmeasurementNoun法ほうlaw; act; principle; method; mood; dharmaNoun