step-down

[ step-doun ]

/ ˈstɛpˌdaʊn /

adjective Electricity.

serving to reduce or decrease voltage: a step-down transformer.

Origin of step-down

First recorded in 1890–95; adj. use of verb phrase step down

Words nearby step-down

stepchild, step cut, stepdame, stepdance, stepdaughter, step-down, stepfamily, stepfather, Stepford, step function, Stephanie

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for step-down

For accurate results a step-down voltmeter transformer should be used on the testing circuit.
Electric Transmission of Water Power|Alton D. Adams
When used on modern supply circuits of 220 volts a number of lamps may be run in series, or a step-down transformer employed.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6|Various
When the current reaches those places where it is to be used a low voltage is again obtained by the step-down transformer.
The Niagara River|Archer Butler Hulbert
If the pressure or voltage of the secondary coil is less than that of the primary, we have a "step-down" transformer.
The Story of Great Inventions|Elmer Ellsworth Burns

The former is called "step-up" while the latter is a "step-down" transformer.
Physics|Willis Eugene Tower

British Dictionary definitions for step-down

step down

verb (adverb)

(tr) to reduce gradually

(intr) informal to resign or abdicate (from a position)

(intr) informal to assume an inferior or less senior position

adjective step-down (prenominal)

(of a transformer) reducing a high voltage applied to the primary winding to a lower voltage on the secondary windingCompare step up

decreasing or falling by stages

noun step-down

informal a decrease in quantity or size

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with step-down

step down

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.

单词	step-down
释义	step-down [ step-doun ] / ˈstɛpˌdaʊn / adjective Electricity. serving to reduce or decrease voltage: a step-down transformer. Origin of step-down First recorded in 1890–95; adj. use of verb phrase step down Words nearby step-down stepchild, step cut, stepdame, stepdance, stepdaughter, step-down, stepfamily, stepfather, Stepford, step function, Stephanie Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for step-down For accurate results a step-down voltmeter transformer should be used on the testing circuit. Electric Transmission of Water Power\|Alton D. Adams When used on modern supply circuits of 220 volts a number of lamps may be run in series, or a step-down transformer employed. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6\|Various When the current reaches those places where it is to be used a low voltage is again obtained by the step-down transformer. The Niagara River\|Archer Butler Hulbert If the pressure or voltage of the secondary coil is less than that of the primary, we have a "step-down" transformer. The Story of Great Inventions\|Elmer Ellsworth Burns The former is called "step-up" while the latter is a "step-down" transformer. Physics\|Willis Eugene Tower British Dictionary definitions for step-down step down verb (adverb) (tr) to reduce gradually (intr) informal to resign or abdicate (from a position) (intr) informal to assume an inferior or less senior position adjective step-down (prenominal) (of a transformer) reducing a high voltage applied to the primary winding to a lower voltage on the secondary windingCompare step up decreasing or falling by stages noun step-down informal a decrease in quantity or size Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with step-down step down 1 Resign from office, as in He threatened to step down if they continued to argue with him. [Late 1800s] 2 Reduce, especially in stages, as in They were stepping down the voltage. [c. 1900] Also see step up, def. 1. The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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