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Meaning of step-up

step-up

Pronunciation: (step'up"), [key]
— adj.
  1. effecting an increase.
  2. serving to increase voltage: a step-up transformer.
  3. (of a lease) allowing for gradual rent increases to the highest amount permissible.
—n.
  1. an increase or rise in the rate or quantity of something.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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