step-down definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
that steps down, or decreases; specif.,
- designating a transformer in which the output voltage is less than the input voltage
- designating a gear that reduces the speed
a decrease, as in amount, intensity, etc.
step-down definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Decreasing in stages: a step-down gear.
- Electricity Serving to reduce voltage: a step-down transformer.
A reduction in amount or size.
step-down - Phrases/Idioms
Resign from office, as in He threatened to step down if they continued to argue with him. [Late 1800s]
Reduce, especially in stages, as in They were stepping down the voltage. [c. 1900] Also see step up, def. 1.