Definition of 地質年代学 (ちしつねんだいがく)
ちしつねんだいがく
                        地質年代学
ちしつねんだいがく
chishitsunendaigaku
noun
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geochronology
Related Kanji
| 地 | ground, earth | 
| 質 | substance, quality, matter, temperament | 
| 年 | year, counter for years | 
| 代 | substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee | 
| 学 | study, learning, science |