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nepheline

Upper-Intermediate (B2)

IPA: /ˈnɛfəliːn/

KK: /ˈnɛfəˌlaɪn/

noun
Definition

A type of mineral that contains sodium, potassium, and aluminum, often found in volcanic rocks and used in making ceramics and glass.


Example

Nepheline is often used in the production of ceramics due to its unique properties.


Conversation
Sloth A
Have you ever heard of a mineral called nepheline?
Sloth B
No, I can't say I have. What is it used for?
Sloth A
It's actually found in igneous rocks and is used in ceramics.
Sloth B
That sounds interesting! I didn't know minerals could be so useful.

Synonyms & Antonyms
Synonyms
feldspar
mica
zeolite
Antonyms
none
Root Explanation

Nepheline is derived from the Greek word "nephelē" (meaning cloud). The suffix "-ine" is used in chemistry to denote a substance. Thus, nepheline refers to a mineral that is often found in volcanic rocks, resembling the appearance of clouds.

Memory Tip

Imagine a cloud ('nephelē') when thinking of nepheline, as it reflects the mineral's cloudy appearance.

Visually Confused Words
cephaeline
anopheline
ephesine
anophelinae
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