(chemistry) any chloride containing three chlorine atoms in each molecule

plural of trichloride

(inorganic chemistry) A binary compound of boron and chlorine, BCl₃; it is used in metal refining.

(chemistry) the binary compound of nitrogen and chlorine, NCl₃; an unstable explosive liquid

(inorganic chemistry) A colourless oily liquid, AsCl₃, used in the synthesis of organic arsenic compounds

(inorganic chemistry) A soft, colourless solid, SbCl₃, that has some use as an analytical reagent

(inorganic chemistry) The inorganic compound PCl₃; a toxic and volatile liquid.