calcium carbonate
plural of multinationalism
A biopolymer material of diverse uses including as photographic film stock, as a component in some coatings, as a frame material for eyeglasses, and as a synthetic fiber in the manufacture of cigar...
(inorganic chemistry) A colourless or white inorganic compound, CaCO₃, occurring as chalk, limestone, marble etc; reacts with acids to liberate carbon dioxide.
plural of chartometer
地質学者は数回の検査の結果、その白い鉱物が炭酸カルシウムであると確認した。
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