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stratum

  • noun
  • /ˈstɹɑː.təm/

One of several parallel horizontal layers of material arranged one on top of another.

Other meanings

  1. A layer of sedimentary rock having approximately the same composition throughout.

  2. Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.

Related words

  • adstratum
  • crystallostratum
  • epistratum
  • lateral stratum
  • mediostratum
  • midstratum
  • overstratum
  • phylostratum
  • spongiostratum
  • stratal
  • stratarchy
  • stratigraphic

Word history

From Latin "strātum".

Where this comes from

This definition is adapted from “stratum” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.