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TOEFL BNC: 567 COCA: 701

reduce

1 ENTRIES FOUND:
reduce /rɪˈduːs/ Brit /rɪˈdjuːs/ verb
reduces; reduced; reducing
reduce
/rɪˈduːs/ Brit /rɪˈdjuːs/
verb
reduces; reduced; reducing
Learner's definition of REDUCE
1 
[+ object] : to make (something) smaller in size, amount, number, etc. : decrease减少；缩小
2 
[+ object]
a  : to cause (someone) to be in a specified state or condition使（某人）处于某种状态 — + to
b  : to cause (something) to be in a specified form by breaking it, burning it, etc.（通过破裂、燃烧等）使变成，使化为 — + to
c  : to force (someone) to do something that causes shame, embarrassment, etc.迫使（某人）做丢脸的事 — followed by to + -ing verb接to+动词-ing形式
3 
[+ object] : to describe (something) in a way that includes only some of the facts and details简化；归纳 — + to
4 
: to boil (a liquid) so that there is less of it（通过蒸发）使浓缩
[+ object]
[no object]
5 
[+ object] : to change (someone's rank) to a lower or less important one使降级
6 
[no object] US, informal : to gradually decrease your weight by eating less节食减肥
7 
[+ object] mathematics : to change (a fraction) so that it is written with the lowest possible numbers简化；约化；约简

reduced circumstances

formal
: a situation in which you have less money than you used to have境况不济

— reducer

noun, plural reducers [count]

— reducible

/rɪˈduːsəbəl/ Brit /rɪˈdjuːsəbəl/ adjective
TOEFL BNC: 567 COCA: 701

reduce

verb

re·​duce ri-ˈdüs How to pronounce reduce (audio)
-ˈdyüs
reduced; reducing

transitive verb

1
a
: to draw together or cause to converge : consolidate
reduce all the questions to one
b(1)
: to diminish in size, amount, extent, or number
reduce taxes
reduce the likelihood of war
(2)
: to decrease the volume and concentrate the flavor of by boiling
add the wine and reduce the sauce for two minutes
c
: to narrow down : restrict
peoples who were reduced to small reservations
d
: to make shorter : abridge
2
archaic : to restore to righteousness : save
3
: to bring to a specified state or condition
the impact of the movie reduced them to tears
4
a
: to force to capitulate
b
: force, compel
5
a
: to bring to a systematic form or character
reduce natural events to laws
b
: to put down in written or printed form
reduce an agreement to writing
6
: to correct (a fracture) by bringing displaced or broken parts back into their normal positions
7
a
: to lower in grade or rank : demote
b
: to lower in condition or status : downgrade
8
a
: to diminish in strength or density
b
: to diminish in value
9
a(1)
: to change the denominations or form of without changing the value
(2)
: to construct a geometrical figure similar to but smaller than (a given figure)
b
: to transpose from one form into another : convert
c
: to change (an expression) to an equivalent but more fundamental expression
reduce a fraction
10
: to break down (as by crushing or grinding) : pulverize
11
a
: to bring to the metallic state by removal of nonmetallic elements
reduce an ore by heat
b
: deoxidize
c
: to combine with or subject to the action of hydrogen
d(1)
: to change (an element or ion) from a higher to a lower oxidation state
(2)
: to add one or more electrons to (an atom or ion or molecule)
12
: to change (a stressed vowel) to an unstressed vowel

intransitive verb

1
a(1)
: to become diminished or lessened
especially : to lose weight by dieting
(2)
: to become reduced
ferric iron reduces to ferrous iron
b
: to become concentrated or consolidated
c
: to undergo meiosis
2
: to become converted or equated
reducer noun
reducibility
ri-ˌdü-sə-ˈbi-lə-tē How to pronounce reduce (audio)
-ˌdyü-
noun
reducible
ri-ˈdü-sə-bəl How to pronounce reduce (audio)
-ˈdyü-
adjective
reducibly
ri-ˈdü-sə-blē How to pronounce reduce (audio)
adverb

Synonyms

Choose the Right Synonym for reduce

decrease, lessen, diminish, reduce, abate, dwindle mean to grow or make less.

decrease suggests a progressive decline in size, amount, numbers, or intensity.

slowly decreased the amount of pressure

lessen suggests a decline in amount rather than in number.

has been unable to lessen her debt

diminish emphasizes a perceptible loss and implies its subtraction from a total.

his visual acuity has diminished

reduce implies a bringing down or lowering.

you must reduce your caloric intake

abate implies a reducing of something excessive or oppressive in force or amount.

the storm abated

dwindle implies progressive lessening and is applied to things growing visibly smaller.

their provisions dwindled slowly

conquer, vanquish, defeat, subdue, reduce, overcome, overthrow mean to get the better of by force or strategy.

conquer implies gaining mastery of.

Caesar conquered Gaul

vanquish implies a complete overpowering.

vanquished the enemy and ended the war

defeat does not imply the finality or completeness of vanquish which it otherwise equals.

the Confederates defeated the Union forces at Manassas

subdue implies a defeating and suppression.

subdued the native tribes after years of fighting

reduce implies a forcing to capitulate or surrender.

the city was reduced after a month-long siege

overcome suggests getting the better of with difficulty or after hard struggle.

overcame a host of bureaucratic roadblocks

overthrow stresses the bringing down or destruction of existing power.

violently overthrew the old regime

Example Sentences

The medicine reduces the risk of infection. We are trying to reduce our debt. Stricter speed limit enforcement has reduced the number of car accidents. Her prison sentence was reduced from 15 years to 10.
Recent Examples on the Web The measure would reduce the maximum interest rate on medical debt to 3% annually, from 10%. Ryan Randazzo, AZCentral.com, 19 Sep. 2022 The scenarios above will further reduce burn-in risk. Chris Smith, BGR, 17 Sep. 2022 Officials saw it as sound fiscal and criminal justice policy: Halfway houses are cheaper to run than prisons, and more assistance would reduce recidivism, meaning fewer people would land back behind bars. Moe Clark, ProPublica, 16 Sep. 2022 Placing all three services under one umbrella in a single app would reduce that friction, the Disney executive said. Robbie Whelan, WSJ, 15 Sep. 2022 Ana Lorena Delgadillo, the human rights activist who heads the Foundation for Justice, said the shift to army control will reduce visibility into the national guard’s budget and activities. Mary Beth Sheridan, Washington Post, 9 Sep. 2022 Responding to the oil price cap announced by the G7 on Russian crude, Putin said his country could reduce exports to zero. Matt Egan, CNN, 7 Sep. 2022 For those who’ve never received a booster, the new jab will likely reduce their risk of getting long COVID by more than half, Marks said. Erin Prater, Fortune, 31 Aug. 2022 Adams’ relief plan will reduce the amount of debt per driver to a maximum principal balance of $200,000 with lower monthly payments, the statement said. Sakshi Venkatraman, NBC News, 31 Aug. 2022 See More

Word History

Etymology

Middle English, to lead back, from Latin reducere, from re- + ducere to lead — more at tow entry 1

First Known Use

14th century, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of reduce was in the 14th century

Phrases Containing reduce
TOEFL BNC: 567 COCA: 701
reduce

verb

ADVERB | VERB + REDUCE | PREPOSITION | PHRASES ADVERB➤considerably, dramatically, drastically, greatly, markedly, severely, sharply, significantly, substantially大量減少；急劇降低；明顯減少；嚴重降低；大幅降低➤successfully成功地減少▸➤further進一步減少▸➤slightly略微降低◇We need to reduce the speed slightly.我們需要稍稍降低一下速度。➤gradually, progressively逐漸減少；逐步降低◇Legislation progressively reduced the number of situations in which industrial action could be taken.通過立法逐漸減少了罷工、怠工的發生。➤quickly, rapidly迅速減少VERB + REDUCE➤aim to, attempt to, seek to, try to致力於減少；試圖減少；力求減少▸➤help (to)幫助降低◇Giving up smoking helps reduce the risk of heart disease.戒煙有利於降低患心臟病的可能。➤manage to設法成功地減少▸➤be designed to, be intended to旨在降低▸➤be expected to, be likely to預期／很可能減少PREPOSITION➤by減少⋯◇Pollution from the works has been reduced by 70%.工廠污染減少了 70%。➤in在⋯方面減少◇I noticed that my belly had drastically reduced in size.我注意到我的肚子小了不少。➤from, to從⋯減少；減少到⋯◇The price is reduced from 99 cents to 85 cents.價格從 99 分降到 85 分。PHRASES➤an attempt to reduce sth, an effort to reduce sth降低⋯的努力▸➤measures to reduce sth縮減⋯的措施▸➤reduce sth to a minimum把⋯降到最低◇The risks must be reduced to the absolute minimum.風險必須降到最低。

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