单词 | palaeosecular |
释义 | palaeosecular/ˌpalɪəʊˈsɛkjʊlə/ /ˌpeɪlɪəʊˈsɛkjʊlə/Geology adjective Of or relating to slow and long-lasting changes in the orientation of the Earth's magnetic field in the geological past. Chiefly in palaeosecular variation. Origin1960s; earliest use found in Journal of Geophysical Research. From palaeo- + secular. |
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