1. calcium carbide a grey salt of calcium (CaC) used in making acetylene
  2. calcium carbonate a salt found in nature as chalk or calcite or aragonite or limestone
  3. calcium chloride a deliquescent salt; used in de-icing and as a drying agent
  4. calcium bicarbonate a bicarbonate that is a major cause of hard water
  5. calcium hydride a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen
  6. calcium oxide a white crystalline oxide used in the production of calcium hydroxide
  7. calcium hydroxide a caustic substance produced by heating limestone
  8. calcium hydrate a caustic substance produced by heating limestone
  9. calcium-cyanamide a compound used as a fertilizer and as a source of nitrogen compounds
  10. 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
  11. silicon carbide an extremely hard blue-black crystalline compound (SiC) used as an abrasive and a heat refractory material; crystals of silicon carbide can be used as semiconductors
  12. class Myriapoda arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
  13. calcium stearate an insoluble calcium salt of stearic acid and palmitic acid
  14. calcium nitrate a deliquescent salt that is soluble in water
  15. magnesium carbonate a very white crystalline salt that occurs naturally as magnesite or as dolomite
  16. calcium sulfate a white salt (CaSO4)
  17. calcium hypochlorite any hypochlorite of calcium; used as a bleaching agent
  18. potassium carbonate a white salt that is basic in solution
  19. calcium sulphate a white salt (CaSO4)
  20. calcium phosphate a phosphate of calcium; a main constituent of animal bones