strata

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stra·​ta ˈstrā-tə  ˈstra- 

plural of stratum

sedimentary strata

economic strata

… we have geological strata that date back three and a half billion years and we find in them the remains of a steady succession of life that can be dated very accurately.

—Pamela Weintraub

strata

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noun

stra·​ta ˈstrā-tə  ˈstra- 

plural stratas also strata

: a dish that is made up of layers of bread, cheese, and meat or vegetables over which a mixture of eggs and milk is poured and that is usually refrigerated before it is baked

a ham and cheese strata

Word History

Etymology

Noun

probably from strata, plural of stratum, taken as a singular noun

First Known Use

Noun

1902, in the meaning defined above

Medical Definition

strata

plural of stratum