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naphthyl

Upper-Intermediate (B2)

IPA: /ˈnæfθɪl/

KK: /ˈnæfθɪl/

noun
Definition

A type of chemical radical that comes from naphthalene, created by removing one hydrogen atom. There are two forms of this radical, known as isomers.


Example

The chemist used naphthyl in the synthesis of new compounds.


Conversation
Sloth A
Have you ever heard of the term naphthyl?
Sloth B
I think I came across it in my chemistry class, but I don't remember much.
Sloth A
It's actually a type of radical that comes from naphthalene.
Sloth B
Oh, that makes sense! Chemistry can be really tricky sometimes.

Synonyms & Antonyms
Synonyms
naphthalene
Antonyms
Root Explanation

Naphthyl is derived from 'naphth' (from Greek 'ναφθά', meaning naphtha, a flammable liquid hydrocarbon mixture) and the suffix '-yl' (used in chemistry to denote a radical or group derived from a compound). The term 'naphthyl' refers to a radical derived from naphthalene, indicating its chemical structure.

Memory Tip

Think of 'naphth' as relating to a flammable liquid and '-yl' as indicating a chemical group. This helps you remember that 'naphthyl' refers to a chemical group derived from naphthalene.

Visually Confused Words
dinaphthyl
binaphthyl
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