地質年代 ちしつねんだい Meanings Noun geological time Kanji 地 land. Read as チ. 質 quality. Read as シツ. 年 year. Read as ネン. 代 era. Read as ダイ. Words containing 地質年代 地質年代学 (ちしつねんだいがく) geochronology Jinuma: Japanese Dictionary · Word lists