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concentrate

Word family (noun) concentration (adjective) concentrated (verb) concentrate
From Longman Dictionary of Contemporary Englishconcentratecon‧cen‧trate1 /ˈkɒnsəntreɪt $ ˈkɑːn-/ ●くろまる●くろまる●くろまる S2 W2 AWL verb 1 [intransitive]ATTENTION to think very carefully about something that you are doing → concentration Now please concentrate. Adrian was finding it difficult to concentrate.concentrate on Be quiet – let me concentrate on my homework.GrammarYou concentrate on something: I’m trying to concentrate on my work.✗Don’t say: I’m trying to concentrate in my work.2 HERE[intransitive, transitive] to be present in large numbers or amounts somewhere, or to cause people or things to be present in large numbers or amounts somewhere → concentrationbe concentrated in/at something Italian industry is concentrated mainly in the north. Construction of the aircraft is being concentrated at Prestwick.concentrate in/at Women concentrate in a small number of occupations.Grammar Concentrate is usually passive in this meaning, when used as a transitive verb. 3 → something concentrates the mind 4 [transitive]LIQUID to make a substance or liquid stronger by removing some of the water from it → concentrated → concentrate (something) on something → See Verb table Examples from the Corpusconcentrate• I tried to read a few pages, but I found it hard to concentrate.• Okay, I'll stop talking so you can concentrate.• My general plan was now to concentrate all the force possible against the Confederate armies in the field.• About 600 people work on Unocal properties in the state, with most concentrated in the Central and Southern California areas.• The study concentrated on physics, not biology, Adams emphasized.• The analysis can be simplified by concentrating on the d.c. and fundamental components of voltage and current.• There were so many people talking that I couldn't concentrate on the music.• Sherman sat hunched forward and staring through the windshield, trying to concentrate on the traffic.• Founded in 1981, Softbank concentrated on two domestic markets: publishing and computer-software distribution.• Plant roots in the peats and estuarine sediments concentrate uranium in cell walls, especially in regions associated with transpiration processes. concentrate on• Turn off the TV, so you can concentrate on your homework.concentrate in/at• The minority population is concentrated in a few regions or states.• Democratic voters were also more likely to be concentrated in counties that did not check ballots for errors in the precinct.• Will they continue to be concentrated in large companies or will there be a growth in the relative importance of small firms?• And they are concentrated in some of the key battleground states for the presidential election.• Radium is readily absorbed into the body where it concentrates in the bone marrow and gives off very damaging alpha particles.• That volatility has risen as the stocks become increasingly concentrated in the hands of a relatively few mutual funds.• Then it can be argued that too much power is being concentrated in the hands of the minister.• We have concentrated in this chapter on theoretical approaches to the demand for sport.Related topics: Food , Industry concentrateconcentrate2 noun [countable, uncountable] DFTIa substance or liquid which has been made stronger by removing most of the water from it orange juice concentrateExamples from the Corpusconcentrate• The fields became parched and brown and the cattle required additional concentrate feed much as they had done the previous year.• As they had need, they drew aside to let ore wagons pass with their loads of concentrate and matte.Origin concentrate1 (1600-1700) con- + Latin centrum "center"
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Verb table
concentrate
Simple Form
Present
I, you, we, they concentrate
he, she, it concentrates
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Past
I, you, he, she, it, we, they concentrated
Present perfect
I, you, we, they have concentrated
he, she, it has concentrated
Past perfect
I, you, he, she, it, we, they had concentrated
Future
I, you, he, she, it, we, they will concentrate
Future perfect
I, you, he, she, it, we, they will have concentrated
> View Less
Continuous Form
Present
I am concentrating
he, she, it is concentrating
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you, we, they are concentrating
Past
I, he, she, it was concentrating
you, we, they were concentrating
Present perfect
I, you, we, they have been concentrating
he, she, it has been concentrating
Past perfect
I, you, he, she, it, we, they had been concentrating
Future
I, you, he, she, it, we, they will be concentrating
Future perfect
I, you, he, she, it, we, they will have been concentrating
> View Less
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