The process by which a region is divided into relatively distinct, nearly horizontal, layers. Sedimentary rock often consists of various strata because the rock was laid at different times when different materials were being deposited. Lakes and oceans...
// (pl. strata //) n. 1. In Relational Grammar, any one of the several levels of organization typically postulated as forming part of the syntactic structure of a sentence. 2. More generally, in any theory of grammar in which the structure of a...
1 Level of classification whose elements define the elements of the next highest level. For example, morphophonemes are defined by phonemes. 2 In S.M.Lamb’s stratificational grammar, structural levels which are ordered hierarchically and have a...
In geology and related fields, a stratum (plural: strata) is a layer of rock or soil with internally consistent characteristics that distinguishes it from contiguous layers. Each layer is generally one of a number of parallel layers that lie one upon...
