In chem., applied to an acid (HCIO) having marked bleaching properties, obtained in solution by distilling bleaching-powder with dilute nitric acid. It is the active principle of bleaching-powder.

adjective. Pertaining to, or derived from, chlorine having a valence lower than in chlorous compounds.

adjective. an acid derived from chlorine, not known in a pure state, but forming various salts, called hypochlorites.

adjective. Pertaining to or derived from chlorine having a valence lower than in chlorous compounds.

"I thus set up an independent program to investigate chemical and spectroscopic properties of compounds of atmospheric importance, focusing on those that are unstable and difficult to handle in the laboratory, such as hypochlorous acid, chlorine nitrite, chlorine nitrate, peroxynitric acid, etc."

hypochlorous acid  

Epsom  acetylsalicylic  allotropic  alpha-linolenic  ferulic