thiosulfate

[ thahy-oh-suhl-feyt ]

noun

, Chemistry.

1. a salt or ester of thiosulfuric acid.

thiosulfate

/ thī′ō-sŭl′fāt′ /

1. A compound containing the group S 2 O 3 .

Word History and Origins

Origin of thiosulfate¹

1870–75; thio- + sulfate ( def )