A thermoplastic resin produced by the polymerization of vinyl chloride; used as an electrical insulator and in many other applications. Can be compounded into flexible and rigid forms through the use of plasticizers, stabilizers, fillers and other modifiers.

(chemistry, inorganic chemistry) Common table salt, a compound composed of equal number of sodium and chlorine atoms. Chemical formula NaCl.

(inorganic chemistry) An inorganic compound with the formula HCl. Forms hydrochloric acid when dissolved in water.

(inorganic chemistry) AlCl, only exists in the gas phase when AlCl₃ is heated with aluminium.

(organic chemistry) Any organic compound containing an acyl functional group (R-CO-) directly attached to a chlorine atom (R-CO-Cl).

(chemistry) the lithium salt of hydrochloric acid, LiCl, used in the electrolytic production of lithium metal, and as a flux

(inorganic chemistry) A toxic gas, COCl₂, used in the manufacture of plastics, pesticides etc, and once used as a chemical weapon.

(inorganic chemistry) Alternative spelling of aluminium chloride

(inorganic chemistry) A water-soluble salt of ammonia and hydrochloric acid, having the formula NH₄Cl.

(pharmacology) A parasympathomimetic drug that is rapidly broken down in the body, used for cataract surgery.