Webster's Revised Unabridged Dictionary · 1913

Phyllite

Phyllite , noun

[See Phylo-.]

(a)

(Mineralogy) A mineral related to ottrelite.

(b)

(Mineralogy) Clay slate; argillaceous schist.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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