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transformation (EN)
noun

noun “transformation”

singular transformation, plural transformations or uncountable
  1. the process of change
    The caterpillar's transformation into a butterfly was amazing to watch.
  2. a significant change in how someone or something behaves, usually changing for the better
    After months of hard work and dedication, her transformation from a shy student to a confident speaker was remarkable.
  3. (in mathematics) changing the variables in a formula to a different set of variables
    The transformation of the coordinates from (x, y) to (r, θ) made it easier to solve the problem in polar coordinates.
  4. (in genetics) the change in a bacterial cell when it receives DNA from another cell
    The transformation of the harmless bacteria into a dangerous strain occurred when it absorbed DNA from a nearby pathogenic cell.