Wiktionary
halazone
n. 1 ''p-sulphondichloraminobenzoic acid'', a disinfectant used to sterilize water. 2 (cx countable English) A tablet of this disinfectant.
Usage examples of "halazone".
He had filled it from the water cooler in an abandoned office, this morning, and purified it with a Halazone tablet from the kit in his pack.
They filled their canteens, added the Halazone tablets, and marched down the valley.
A leather purse held phrase book (specially compiled, for pay, by an American graduate student), food, drinking cup, Halazone tablets, soap, flea repellent, antibiotic, and money.