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 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.

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 …

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

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 …

Dec 26, 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 usually many layers of a substance (such as rock); 2 : a level of society made up of people of the same rank or position