noun Date: 1885 a hygroscopic crystalline salt Na 2 S 2 O 3 used especially as a photographic fixing agent and a reducing or bleaching agent
SODIUM THIOSULFATE
Meaning of SODIUM THIOSULFATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012