Mineral
/mˈɪnərəl/
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Definition
(noun) Any naturally occurring material that has a (more or less) definite chemical composition and characteristic physical properties; especially, an inorganic one.
Sentence Examples
The region is relatively rich in mineral resources.
The province is relatively rich in mineral resources.
CEFR Practice Quiz
The geologist identified the shiny green stone as a rare type of ____ that is only found in certain parts of the world.