Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Increasing in steps or by stages.
  • adj. Electricity Serving to increase voltage: a step-up transformer.
  • n. An increase in size, amount, or activity.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That increases in stages
  • adj. That increases a voltage

from the GNU version of the Collaborative International Dictionary of English

  • adj. Transforming or converting a low-voltage current into one of high voltage.

from The Century Dictionary and Cyclopedia

  • n. In electricity, a transformer or other device for increasing the voltage in an electric circuit.
  • Serving to convert a current of lower voltage into one of higher voltage: said specifically of transformers and allied devices.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the act of increasing something
  • v. speed up
  • v. make oneself visible; take action
  • v. increase in extent or intensity

Etymologies

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