• None
  • Calcium oxid, CaO; burned lime; lime not yet slaked with water.
  • Calcium oxide; unslacked lime; -- so called because when wet it develops great heat. See 4th <xref urlencoded="lime">lime</xref>, 2.
  • <xref>lime</xref>, (<xref>calcium oxide</xref>), produced by heating <xref>limestone</xref>; on treatment with water it gives <xref>slaked lime</xref>
  • To treat with quicklime.
  • a white crystalline oxide used in the production of calcium hydroxide
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