1. calcium oxide a white crystalline oxide used in the production of calcium hydroxide
  2. calcium hydroxide a caustic substance produced by heating limestone
  3. calcium chloride a deliquescent salt; used in de-icing and as a drying agent
  4. calcium carbide a grey salt of calcium (CaC) used in making acetylene
  5. calcium hydride a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen
  6. magnesium oxide a white solid mineral that occurs naturally as periclase
  7. calcium lactate a white crystalline salt made by the action of lactic acid on calcium carbonate; used in foods (as a baking powder) and given medically as a source of calcium
  8. calcium phosphate a phosphate of calcium; a main constituent of animal bones
  9. calcium light a lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light; formerly used for stage lighting
  10. aluminum oxide any of various forms of aluminum oxide occurring naturally as corundum
  11. calcium hydrate a caustic substance produced by heating limestone
  12. barium oxide an oxide of barium; a whitish toxic powder
  13. aluminium oxide any of various forms of aluminum oxide occurring naturally as corundum
  14. calcium carbonate a salt found in nature as chalk or calcite or aragonite or limestone
  15. calcifugous growing or living in acid soil
  16. calcium-cyanamide a compound used as a fertilizer and as a source of nitrogen compounds
  17. chlordiazepoxide a tranquilizer used in the treatment of alcoholism
  18. calcium ion ion of calcium; a factor in the clotting of blood
  19. calcimine a water-base paint containing zinc oxide and glue and coloring; used as a wash for walls and ceilings
  20. calcium nitrate a deliquescent salt that is soluble in water