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.

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. [1]

STRATUM meaning: 1. one of the parts or layers into which something is separated: 2. a layer of rock, soil, or…. Learn more.

plural strata [strey, -t, uh, strat, -, uh],stratums. a stratum of ancient foundations. an allegory with many strata of meaning. Geology. a single bed of sedimentary rock, generally consisting of …

STRATUM definition: 1. one of the parts or layers into which something is separated: 2. a layer of rock, soil, or…. Learn more.

STRATUM definition: any of the distinct layers into which sedimentary rocks are divided | Meaning, pronunciation, translations and examples

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.

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

What does the noun stratum mean? There are ten meanings listed in OED's entry for the noun stratum. See ‘Meaning & use’ for definitions, usage, and quotation evidence. How common is the noun stratum? How is the noun stratum pronounced? Where does the noun stratum come from? The earliest known use of the noun stratum is in the late 1500s.

Stratum definition: A horizontal layer of material, especially one of several parallel layers arranged one on top of another.