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1. Dictionary

   Stra·tum

   /ˈstrādəm/

   

   noun

   • 1. a layer or a series of layers of rock in the ground: "a stratum of flint" Similar layerveinseamlodebedstratificationthicknesssheetlamina
   • ▪ a thin layer within any structure: "thin strata of air"
   • 2. a level or class to which people are assigned according to their social status, education, or income: "members of other social strata" Similar levelclassechelonrankgradestationgradationgroupsetbracketcastearchaic:estatesphere
   • ▪ a group into which members of a population are divided in stratified sampling: "allocation of sample units to strata"

   Word Origin late 16th century (in the sense ‘layer or coat of a substance’): modern Latin, from Latin, literally ‘something spread or laid down’, neuter past participle of sternere ‘strew’.

   Scrabble Points: 9

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2. dictionary.cambridge.org › dictionary › englishSTRATUM | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   STRATUM definition: 1. one of the parts or layers into which something is separated: 2. a layer of rock, soil, or…. Learn more.

3. www.vocabulary.com › dictionary › stratumStratum - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › stratum

   Definitions of stratum. noun. one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock) see more. noun. people having the same social, economic, or educational status. synonyms: class, social class, socio-economic class. see more. noun.

4. www.collinsdictionary.com › dictionary › englishSTRATUM definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   4 days ago · stratum in British English. (ˈstrɑːtəm ) noun Word forms: plural -ta (-tə ) or -tums. 1. (usually plural) any of the distinct layers into which sedimentary rocks are divided. 2. biology. a single layer of tissue or cells. 3. a layer of any material, esp one of several parallel layers.

5. en.m.wikipedia.org › wiki › StratumStratum - Wikipedia

   en.m.wikipedia.org › wiki › Stratum

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   In geology and related fields, a stratum ( pl.: strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by visible surfaces known as either bedding surfaces or bedding planes. [1] .

6. www.oxfordlearnersdictionaries.com › us › definitionstratum noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › us › definition

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   noun. /ˈstrɑːtəm/ /ˈstreɪtəm/ (plural strata. /ˈstrɑːtə/ /ˈstreɪtə/ ) (geology) a layer or set of layers of rock, earth, etc. a thick stratum of flint. limestone strata. Excavated coins can often be dated from other objects in the same stratum. Definitions on the go.

7. www.dictionary.com › browse › stratousSTRATUM Definition & Usage Examples | Dictionary.com

   www.dictionary.com › browse › stratous

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   Stratum definition: a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another. See examples of STRATUM used in a sentence.

8. www.thefreedictionary.com › stratumStratum - definition of stratum by The Free Dictionary

   www.thefreedictionary.com › stratum

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   1. (Geological Science) ( usually plural) any of the distinct layers into which sedimentary rocks are divided. 2. (Biology) biology a single layer of tissue or cells. 3. a layer of any material, esp one of several parallel layers. 4. (Physical Geography) a layer of ocean or atmosphere either naturally or arbitrarily demarcated. 5.