#evolution  a process in which something passes by degrees to a different stage (especially a more advanced or mature stage); "the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer"
  supertype:  process__proces  a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
  subtype:  assibilation  the development of a consonant phoneme into a sibilant
  subtype:  deepening  a process of becoming deeper and more profound
  subtype:  growth  a progression from simpler to more complex forms; "the growth of culture"
  subtype:  unfolding__flowering  a developmental process; "the flowering of ante-bellum culture"

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