© 2026 Sloth Lingo. Learn easy. Lounge wisely.

thiosulfate

Upper-Intermediate (B2)

IPA: //ˌθaɪoʊˈsʌlfeɪt//

KK: /θaɪoʊˈsʌlfeɪt/

noun
Definition

A chemical compound that is a salt or ester derived from thiosulfuric acid, often containing the anion SO.


Example

Thiosulfate is commonly used in photography and as a reducing agent in chemical reactions.


Conversation
Sloth A
Have you ever heard of thiosulfate?
Sloth B
Yeah, I think it’s used in some chemistry experiments, right?
Sloth A
Exactly! It’s interesting how a simple thiosulfate can have various applications.
Sloth B
For sure! I love learning about those kinds of compounds.

Synonyms & Antonyms
Synonyms
thiosulfurate
sulfite
sulfate
Antonyms
none
Root Explanation

Thiosulfate is formed from "thio-" (from Greek "thio", meaning sulfur) and "sulfate" (from Latin "sulfatum", meaning salt of sulfur). The word refers to a compound containing sulfur and a sulfate group.

Memory Tip

Think of 'thio' meaning sulfur, and 'sulfate' referring to a salt of sulfur — together they describe a compound that includes sulfur in its structure.

Visually Confused Words

No commonly confused words.

Is this page helpful?