halazone

[ hal-uh-zohn ]

noun

1. a white crystalline powder, C 7 H 5 Cl 2 NO 4 S, having a strong chlorinelike odor, used to disinfect water.

Word History and Origins

Origin of halazone¹

hal- + az- + -one

Example Sentences

Each chlorine atom in halazone is equivalent to 1 molecule of hypochlorous acid and the “available” chlorine content is consequently 52.5 per cent or double the actual chlorine content.

From Project Gutenberg

Halazone and halazone tablets, when tested in the author’s laboratory on the coloured Ottawa River water seeded with B. coli, have given rather inferior results.

From Project Gutenberg

The starting point in the preparation of halazone is p-toluenesulphonic chloride, a cheap waste product in the manufacture of saccharine.

From Project Gutenberg

The 600 rebels were dedicated men, trained for eight months, tidily uniformed in khaki, well armed and equipped with everything from foot powder to field telephones, from halftracks to water-purifying halazone tablets.

From Time Magazine Archive