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Word of the Day Wednesday, June 10, 2026

foliation

/fəˈleɪʃən/ noun · British & US
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What does foliation mean?

noun

The arrangement of minerals in a rock, typically in layers or bands, resulting from the cooling and solidification of magma or lava. In geology, the process of forming such layers or bands.

Example

"The geologist studied the foliation of the granite rock to understand its formation and composition."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for foliation

Antonyms of foliation

Rhymes with foliation