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thionyl

Upper-Intermediate (B2)

IPA: //ˈθaɪənaɪl//

KK: /θaɪəˈnɪl/

noun
Definition

A chemical compound containing sulfur and oxygen, often used in various chemical reactions and processes.


Example

Thionyl chloride is commonly used in organic synthesis.


Conversation
Sloth A
Have you ever heard of thionyl?
Sloth B
I think I've seen it mentioned in chemistry class.
Sloth A
Yeah, it's related to sulfinyl compounds.
Sloth B
Right! Those terms can be pretty confusing sometimes.

Synonyms & Antonyms
Synonyms
sulfinyl
Antonyms
Root Explanation

Thionyl is derived from "thio-" (from Greek "thio", meaning sulfur) and "-yl" (a suffix used in chemistry to denote a radical or a group derived from a compound). The word refers to a chemical group containing sulfur, specifically in the context of thionyl chloride, which is a compound containing sulfur and oxygen.

Memory Tip

Think of 'thio' as relating to sulfur, and remember that 'thionyl' refers to a chemical group that includes sulfur.

Visually Confused Words
thienyl
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