stra·tum
stra·tum/ˈstrādəm,ˈstradəm/
noun
- a layer or a series of layers of rock in the ground."a stratum of flint"synonyms: layer, vein, seam, lode, bed, stratification, thickness, sheet, lamina
- a level or class to which people are assigned according to their social status, education, or income."members of other social strata"synonyms: level, class, echelon, rank, grade, station, gradation, group, set, bracket, caste, estate, sphere
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4. : one of a series of layers, levels, or gradations in an ordered system. strata of thought. 5. : a statistical subpopulation.
STRATUM | definition in the Cambridge English Dictionary
dictionary.cambridge.org › dictionary › s...
a layer of rock, soil, or similar material: The cliffs are characterized by remarkable zigzagging strata of shale and sandstone.
Stratum definition: a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another.
Stratum comes from the Latin meaning "something that has been laid down," like asphalt or a bedsheet, but we generally use it to describe layers of something.
5 senses: 1. any of the distinct layers into which sedimentary rocks are divided 2. biology a single layer of tissue or cells.
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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 ...
(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 ...
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stratum corneum. The outermost layer of the skin, consisting of clear, dead, scaly cells, those of the surface layer being constantly desquamated.
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STRATUM meaning: 1 : one of usually many layers of a substance (such as rock); 2 : a level of society made up of people of the same rank or position.
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Noun edit · One of several parallel horizontal layers of material arranged one on top of another. · (geology) A layer of sedimentary rock having approximately ...