单词 | calcareous earth |
释义 | > as lemmascalcareous earth b. calcareous earth = lime, chalk; calcareous spar = calc-spar n.; calcareous tufa = calc-tuff n. ΘΚΠ 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. < as lemmas |
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