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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May 24, 2024 · 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 ...
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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(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 definition: A horizontal layer of material, especially one of several parallel layers arranged one on top of another.