from The Century Dictionary.

  • Consisting of many stones; built up of several blocks, as a shaft or column: opposed to monolithic.
  • Noting a deposit consisting of several kinds of minerals or rocks.


Sorry, no etymologies found.


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  • The hole encountered widespread anomalous zinc and silver including three discrete intersections hosted by rhyolite, dacite and polylithic breccia and associated with overprinting phyllic and potassic alteration.

    The Earth Times Online Newspaper


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  • This word is sometimes used as an antonym to monolithic. In this sense it indicates diversity and heterogeneity.

    July 8, 2009