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 …

STRATUM definition: a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another. See examples of stratum used in a sentence.

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 …

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

Definition of stratum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A stratum of society is a group of people in it who are similar in their education, income, or social status.

stratum, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

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. If you go into geology, you will probably …

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

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