transformation

noun

1. a qualitative change
2. (mathematics) a function that changes the position or direction of the axes of a coordinate system
3. a rule describing the conversion of one syntactic structure into another related syntactic structure
4. (genetics) modification of a cell or bacterium by the uptake and incorporation of exogenous DNA
5. the act of changing in form or shape or appearance"a photograph is a translation of a scene onto a two-dimensional surface"