| 单词 | geochronology |
| 释义 | geochronology —geochronologic /jee'oh kron'l oj"ik/, geochronological, adj. —geochronologist, n. /jee'oh kreuh nol"euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890-95; GEO- + CHRONOLOGY] |
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