deep structure(redirected from D-structure)
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In early theories of generative grammar, a syntactic structure that expresses certain core semantic relationships in a construction and is the source from which surface structure is derived.
(Grammar) generative grammar a representation of a sentence at a level where logical or grammatical relations are made explicit, before transformational rules have been applied. Compare surface structure
(in transformational grammar) the underlying semantic or syntactic representation of a sentence from which the surface structure may be derived. Compare surface structure.
A term used in linguistics to mean the underlying structure of relationships between the elements that make up a sentence.