Stratum meaning

strātəm, strătəm
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The definition of a stratum means a layer or a section, or a division of the atmosphere or ocean, or a section of society.

An example of a stratum is the cheese layer of a lasagna.

An example of a stratum is the layer with one soil type in rock sample.

An example of a stratum is the top layer of skin.

An example of a stratum in Earth’s atmosphere is the Thermosphere.

An example of a stratum is the social position of a young person born to a wealthy family.

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A horizontal layer of material, especially one of several parallel layers arranged one on top of another.
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A bed or layer of sedimentary rock that is visually distinguishable from adjacent beds or layers.
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Any of the regions of the atmosphere, such as the troposphere, that occur as layers.
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A layer of tissue.

The epithelial stratum.

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A level of society composed of people with similar social, cultural, or economic status.
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One of a number of layers, levels, or divisions in an organized system.

A complex poem with many strata of meaning.

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A horizontal layer or section of material, esp. any of several lying one upon another.
  • A layer of tissue.
  • A single layer of sedimentary rock.
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A section, level, or division, as of the atmosphere or ocean, regarded as like a stratum.
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Any of the socioeconomic groups of a society as determined by birth, income, education, etc.
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A layer of tissue.

The epithelial stratum.

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A layer of sedimentary rock whose composition is more or less the same throughout and that is visibly different from the rock layers above and below it.
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A layer of tissue, as of the skin or another organ.
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The next generation of software-defined networking (SDN) from the Open Networking Foundation (ONF). The Stratum project was announced in early 2018 with code from Google's own operations. Whereas the ONF's OpenFlow provides the protocol to instruct the devices, Stratum actually configures and controls the forwarding. See OpenFlow.
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One of several parallel horizontal layers of material arranged one on top of another.
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(geology) A layer of sedimentary rock having approximately the same composition throughout.
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Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
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(biology) A layer of tissue.
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A class of society composed of people with similar social, cultural, or economic status.
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(ecology) A layer of vegetation, usually of similar height.
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Origin of stratum

  • Latin strātum a covering from neuter past participle of sternere to spread stratus

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin strātum (“a spread for a bed, coverlet, quilt, blanket; a pillow, bolster; a bed"), neuter singular of strātus, perfect passive participle of sternō (“spread").

    From Wiktionary