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 …

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

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 …

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.

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

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

a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancient foundations. one of a number of portions or divisions …

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

6 days ago · Noun stratum (plural stratums or strata) One of several parallel horizontal layers of material arranged one on top of another. Synonym: tier

1. A layer of rock whose composition is more or less the same throughout. A particular rock stratum is visibly different from the rock strata above and below it. 2. A layer of tissue, as of …