#shrinking.lessening__shrinkage  process or result of becoming less or smaller: "the material lost 2 inches per yard in shrinkage"
  supertype:  lessening__decrease__drop-off  a change downward; "there was a sharp drop-off in sales"
  subtype:  compression.shrinking__condensation__contraction  the process or result of becoming smaller or pressed together: "the contraction of a gas on cooling"

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