step-up

from WordNet (r) 3.0 (2006)

step-up
    n 1: the act of increasing something; "he gave me an increase in
         salary" [syn: {increase}, {step-up}] [ant: {decrease},
         {diminution}, {reduction}, {step-down}]

from The Collaborative International Dictionary of English v.0.48

Step-up \Step"-up`\, a. (Elec.)
   Transforming or converting a low-voltage current into one of
   high voltage; as, a step-up transformer.
   [Webster 1913 Suppl.]

[email protected]