© 2026 Sloth Lingo. Learn easy. Lounge wisely.

sulfinyl

Upper-Intermediate (B2)

IPA: //sʌlˈfɪnɪl//

KK: /sʌlˈfɪnɪl/

noun
Definition

A chemical group consisting of one sulfur atom bonded to an oxygen atom, often found in various chemical compounds.


Example

The compound contains a sulfinyl group, which contributes to its reactivity.


Conversation
Sloth A
I was reading about different chemical groups, and I came across sulfinyl.
Sloth B
Oh, I've heard of that! Isn't it related to thionyl as well?
Sloth A
Yes, exactly! It was interesting to learn about the sulfinyl group's properties.
Sloth B
Chemistry can be so fascinating; I love discovering new terms like that!

Synonyms & Antonyms
Synonyms
thionyl
Antonyms
Root Explanation

Sulfinyl is formed from "sulfur" (from Latin *sulfur*, meaning sulfur) and "-inyl" (a suffix used in organic chemistry to denote a functional group). The word refers to a functional group containing sulfur, specifically in the form of a sulfur atom bonded to two other atoms or groups.

Memory Tip

Think of 'sulfur' as the key element in 'sulfinyl', which indicates a group containing sulfur.

Visually Confused Words
sulphinyl
Is this page helpful?