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单词 calcareous earth
释义

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calcareous earth
b. calcareous earth = lime, chalk; calcareous spar = calc-spar n.; calcareous tufa = calc-tuff n.
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the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > chalk or limestone
chalkc893
caukc1440
calcareous earth1757
1757 W. Watson in Philos. Trans. 1756 (Royal Soc.) 49 896 Ten grains of calcarious earth.
1799 Med. & Physical Jrnl. 1 255 Chalk, or calcareous earth.
1816 Sir H. Davy in Faraday Exp. Res. 4 Calcareous tufas..found in every part of Italy.
1816 R. Jameson Treat. External Characters Minerals (ed. 2) 104 Hexahedron is a solid, having of six quadrilateral planes and eight angles. .. Examples, calcareous-spar and fluor-spar.
extracted from calcareousadj.
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更新时间:2024/12/23 18:10:52