Meaning of TRANSFORMATION in English
1》 a marked change in nature, form, or appearance.
2》 Mathematics & Logic a process by which a figure, expression, or function is converted into another one of similar value.
3》 Linguistics a process by which an element in the underlying logical deep structure of a sentence is converted to an element in the surface structure.
4》 Biology the transfer of genetic information between different species of bacteria, especially by a plasmid.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004