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lubjakivi põletamisprodukt - kaltsiumoksiid CaO, milles võib sisalduda ka magneesiumoksiid (MgO); kasutatakse räbustina (vt lubjakivi), a calcined material, the major part of which is calcium oxide CaO; may be in association with amounts of magnesium oxide, MgO (see: limestone)
оксид кальция . Koolisõnastikud 2005–2010. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//kool_KV/%D0%BE%D0%BA%D1%81%D0%B8%D0%B4%20%D0%BA%D0%B0%D0%BB%D1%8C%D1%86%D0%B8%D1%8F/1/rus (22.08.2026)