cleavage
noun/ˈkliːvɪdʒ/
Frequency rank: #8,558 most common English word
Meaning
the tendency of a mineral or rock to split along definite planes, or more generally a split or division between two parts.

Example sentence
The geologist examined the mineral sample and pointed out the cleavage along its crystal structure.
Synonyms & related words
- splitting
- fracture
- division
- separation
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