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

  • adj. Decreasing in stages: a step-down gear.
  • adj. Electricity Serving to reduce voltage: a step-down transformer.
  • n. A reduction in amount or size.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That decreases in stages
  • adj. That reduces a voltage

from the GNU version of the Collaborative International Dictionary of English

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

from The Century Dictionary and Cyclopedia

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

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

  • n. the act of decreasing or reducing something
  • v. give up or retire from a position
  • v. reduce the level or intensity or size or scope of


Sorry, no etymologies found.



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