放射年代測定 ほうしゃねんだいそくてい Meanings Noun radiometric dating Kanji 放 release. Read as ホウ. 射 shoot. Read as シャ. 年 year. Read as ネン. 代 era. Read as ダイ. 測 gauge. Read as ソク. 定 fix. Read as テイ. Jinuma: Japanese Dictionary · Word lists