#softening  the process of becoming softer; "refrigeration delayed the softening of the fruit" or "he observed the softening of iron by heat"
  supertype:  natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
  subtype:  maceration  softening due to soaking or steeping

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