"What's the plural of stratum?"

The plural of stratum is strata.

Definition of stratum:

Stratum is a term used to describe a layer or level of material or substance that is formed naturally or through human intervention. It can refer to geological layers of rock or soil, social or economic classes within a society, or other hierarchical structures.

Plural of Stratum Example Sentences


  • The geologist discovered a new rock stratum during the excavation.
  • Each stratum in the archaeological site reveals different aspects of the ancient civilization.
  • The researchers analyzed the uppermost stratum of the sedimentary layers.


  • The geological survey identified multiple distinct strata in the region.
  • Archaeologists carefully examined the different strata to understand the historical timeline.
  • They found fossils in various strata that spanned millions of years.

Strata vs. Stratums

The graph shows the occurances of the plural of stratum in written English since 1800 using Google's Ngram Viewer.



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The plural of stratum is strata
The plural of stratum is strata