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Từ điển WordNet v3.1 - WordNet Dictionary
Ca
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals • Syn: calcium, atomic number 20 • Derivationally related forms: calcify (for: calcium) • Hypernyms: metallic element, metal • Hyponyms: calcium ion, factor IV • Substance Holonyms: calcium oxide, quicklime, lime, calx, calcined lime, fluxing lime, unslaked lime, burnt lime, limestone, gypsum, fluorite, fluorspar, fluor
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