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1. Dictionary

   stratum

   /ˈstrɑːtəm/

   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. www.merriam-webster.com › dictionary › stratumStratum Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › stratum

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   The meaning of STRATUM is a bed or layer artificially made. How to use stratum in a sentence. Did you know? Is strata singular or plural?: Usage Guide

3. dictionary.cambridge.org › english › stratumSTRATUM | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › stratum

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   Stratum is a noun that means one of the parts or layers into which something is separated, or a layer of rock, soil, or similar material. Learn how to use stratum in different contexts, see examples from various sources, and find out how to pronounce it.

4. 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.

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

   en.wikipedia.org › wiki › Stratum

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   A stratum is a layer of rock or sediment with distinctive properties or attributes. Learn about the types of strata, such as bed, flow, band, and key bed, and how they are used in geology and stratigraphy.

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

   www.collinsdictionary.com › dictionary › english

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   5 meanings: 1. any of the distinct layers into which sedimentary rocks are divided 2. biology a single layer of tissue or cells.... Click for more definitions.

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

   www.oxfordlearnersdictionaries.com › definition

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   strata/ stratum Word Origin late 16th cent. (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’.

8. People also ask

   What is a stratum?

   • Prior to the publication of the International Stratigraphic Guide, older publications have defined a stratum as being either equivalent to a single bed or composed of a number of beds; as a layer greater than 1 cm in thickness and constituting a part of a bed; or a general term that includes both bed and lamina.

   Stratum - Wikipedia

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   What is a stratum of society?

   • A stratum of society is a group of people in it who are similar in their education, income, or social status. The rebels came overwhelmingly from the poorest strata of rural society. Strata are different layers of rock. Shale gas is methane trapped in rock strata. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

   STRATUM definition and meaning | Collins English Dictionary

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   What does estrato mean?

   • estrato… Need a translator? Get a quick, free translation! STRATUM definition: 1. one of the parts or layers into which something is separated: 2. a layer of rock, soil, or…. Learn more.

   STRATUM | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/stratum

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   What is a strata?

   • Strata are typically seen as bands of different colored or differently structured material exposed in cliffs, road cuts, quarries, and river banks. Individual bands may vary in thickness from a few millimeters to several meters or more. A band may represent a specific mode of deposition: river silt, beach sand, coal swamp, sand dune, lava bed, etc.

   Stratum - Wikipedia

   en.wikipedia.org/wiki/Stratum

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   Is strata singular or plural?

   • usage: The usual singular of this noun, taken from Latin, is stratum: the lowest stratum in society. The plural is strata: Several strata of settlement were discovered in the evacuation. Occasionally strata occurs as a singular and stratas as a plural. Neither of these uses is well established, and they are often regarded as errors.

   Stratum - definition of stratum by The Free Dictionary

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   What are the different types of strata?

   • In the study of rock and sediment strata, geologists have recognized a number of different types of strata, including bed, flow, band, and key bed. A bed is a single stratum that is lithologically distinguishable from other layers above and below it.

   Stratum - Wikipedia

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

   www.thefreedictionary.com › stratum

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   Stratum is a noun that means a layer of material, especially one of several parallel layers arranged one on top of another. It can also refer to a layer of tissue, rock, atmosphere, or society. See different sources and usage notes for stratum.