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- Dictionarystratum/ˈstrɑːtəm/
noun
- 1. a layer or a series of layers of rock in the ground: "a stratum of flint" Similar
- 2. a level or class to which people are assigned according to their social status, education, or income: "members of other social strata" Similar
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In geology, a stratum is a layer of rock or soil that is distinct from those above and below it. Rock and soil strata (notice the plural form) can be seen in road cuts, cliffs, quarries, riverbanks, and sand dunes, and in pieces of limestone, slate, and shale.
STRATUM definition: 1. one of the parts or layers into which something is separated: 2. a layer of rock, soil, or…. Learn more.
one of the parts or layers into which something is separated: The report shows that drugs have penetrated every stratum of American society. geology specialized. a layer of rock, soil, or similar material: The cliffs are characterized by remarkable zigzagging strata of shale and sandstone. SMART Vocabulary: related words and phrases.
1. countable noun. A stratum of society is a group of people in it who are similar in their education, income, or social status. [formal] It was an enormous task that affected every stratum of society. [ + of] The rebels came overwhelmingly from the poorest strata of rural society.
a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancient foundations. one of a number of portions or divisions likened to layers or levels: an allegory with many strata of meaning.
A stratum is a layer of something, whether abstract, like a social stratum composed of only billionaires, or physical, like the different strata (that’s the plural version) of clouds that an airplane passes through.
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. Join us.
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.
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.
Stratum Definition. A horizontal layer or section of material, esp. any of several lying one upon another. A bed or layer of sedimentary rock that is visually distinguishable from adjacent beds or layers. Any of the socioeconomic groups of a society as determined by birth, income, education, etc.
