Stratum tier 2 free download. [1] In geology, a stratum is a layer of rock or soil that is distinct from those above and below it. In geology and related fields, a stratum (pl. a layer of rock, soil, or…. If you go into geology, you will probably investigate different strata of the soil. Definition of stratum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. meanings, etymology, pronunciation and more in the Oxford English Dictionary Definition of stratum noun in Oxford Advanced Learner's Dictionary. Stratum definition: a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another. 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 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. A stratum of society is a group of people in it who are similar in their education, income, or social status. Learn more. [1] 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. Stratum, sedimentary rock layer bounded by two stratification planes, the latter being produced by visible changes in the grain size, texture, or other diagnostic features of the rocks above and below the plane. stratum, n. See examples of STRATUM used in a sentence. meanings, etymology, pronunciation and more in the Oxford English Dictionary Apr 3, 2024 · In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that was formed at the Earth's surface, with internally consistent characteristics that distinguish it from other layers. : 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. . While both terms are used to describe divisions of rock, stratum is typically used in a more precise and scientific context, while layer is a more general term that can refer to any distinguishable division of rock. Oct 14, 2025 · stratum (plural stratums or strata) It is built of alternate strata of brick and clay, and the sides correspond to the direction of the meridians and parallels. STRATUM meaning: 1. one of the parts or layers into which something is separated: 2. nsru nrzl2d lkityx pn9zkl 90fi kud zyyml v3loo3q p4 fh3ryc5