(music) A rule that modifies a well-formed structure (in limited ways). / (grammar) A rule that takes an input and changes it in some restricted way to result in a surface structure.

(geometry, linear algebra) A geometric transformation that preserves lines and parallelism, but in general not lengths or angles; (more formally) an automorphism of an affine space: a mapping of an affine space onto itself that preserves both the dimension of any affine subspace and the ratio of the lengths of any pair of parallel line segments.

(geology) A geological fault separating two tectonic plates which are sliding horizontally in directions parallel with the fault line.

(linear algebra) A map between vector spaces which respects addition and multiplication.

plural of linear transformation

(linguistics) A generative grammar, especially of a natural language, developed in the Chomskyan tradition of phrase structure grammars (as opposed to dependency grammars), and involving the use of defined operations called transformations to produce new sentences from existing ones.

Alternative spelling of agrotransformation / An agricultural transformation.

plural of transformational grammar

plural of integral transform

(mathematics) Any transform of the form: