Definition of concentrate in US English:

concentrate

verb

  • 1no object Focus one's attention or mental effort on a particular object or activity.

    ‘she couldn't concentrate on the movie’
    • ‘The children are more focused, concentrating better and fighting less.’
    • ‘Another hour passed and the pain was now so excruciating that I was having trouble focusing or concentrating.’
    • ‘Children are interested in the activities and they concentrate well.’
    • ‘It was hard to concentrate because they both wanted my attention.’
    • ‘However, their ability to concentrate and focus attention and performance in exams needs to be monitored.’
    • ‘If they have poor attention, they may find it hard to concentrate, follow directions or finish a job.’
    • ‘Some will say that they just can't concentrate or focus their attention.’
    • ‘Mariel had to concentrate hard to get her mind to focus.’
    • ‘It is hard to focus and concentrate, but it is a skill that can be learned.’
    • ‘They mean someone who hops and jumps from one thing to another, never settling at anything, never concentrating or focusing, and, as a result, never achieving anything.’
    • ‘I went home and tried to concentrate on some work but couldn't concentrate.’
    • ‘It has been so hard to concentrate and focus properly but I spoke to her the day she died and told her I would win this for her and I made sure I did.’
    • ‘Ann says her son is now able to focus and concentrate in school, making his life a lot easier, and giving her hope for his future.’
    • ‘It's as if my mind gets tired from concentrating so hard at being normal.’
    • ‘Then she concentrated even harder, focusing on her hand.’
    • ‘They are having difficulty concentrating, difficulty focusing, difficulty remembering details.’
    • ‘Jerry concentrated harder, and focused on Mr. Hilleary.’
    • ‘She is a lot more patient, more focused and can concentrate for longer.’
    • ‘I tried really hard to concentrate, but my mind kept wandering to what Will had said earlier.’
    • ‘I try to go into every meet with the same mind set, to focus and concentrate, and put my best effort on every event.’
    focus, direct, centre, centralize, bring to bear
    focus one's attention on, focus on, pay attention to, keep one's mind on, apply oneself to, address oneself to, devote oneself to, get down to, put one's mind to
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    1. 1.1concentrate on/upon Do or deal with (one particular thing) above all others.
      ‘Luke wants to concentrate on his film career’
      • ‘Should it concentrate on the lives of Great Men or deal with broad economic trends?’
      • ‘He thinks more operators should concentrate on the middle market instead of the top.’
      • ‘Andrew believes that kicking is quite simply the most important variable in any team's performance, and should be concentrated upon accordingly.’
      • ‘This particular show mostly concentrates on dance routines interspersed with dramatic sequences.’
      • ‘Then we would all have had to concentrate upon dealing with hate and bloodthirstiness instead of pouring all our energy into controlling sexuality.’
      • ‘They have a big enough workload and should be concentrating on teaching.’
      • ‘They build a hospital which deals with outpatients and the pathology lab concentrates on outpatients.’
      • ‘One area in particular that the programme concentrates on is the use of bicycles and road safety in general.’
      • ‘We should concentrate on peace and health for all before we embark on glory for the few.’
      • ‘This essay type question concentrates on a particular difficulty which has developed in the case law of the Court of Justice.’
      • ‘Either way, big or small, I now know we should be concentrating on the welfare of the staff.’
      • ‘At the end of the day, there are feminists who concentrate on men's issues, some who do work on both genders, and some who concentrate solely on improving the world for women.’
      • ‘By contrast the style approach concentrates upon what leaders do.’
      • ‘That is what we should be concentrating on because this mechanism is a disaster.’
      • ‘They should be concentrating on investigating the accident or finding the thieves.’
      • ‘Nor should they be concentrating on atmosphere and ambience at the expense of proper food.’
      • ‘The only downside is that I now have nothing to intensively concentrate / focus on to take my mind off Thursday (exam results day).’
      • ‘At this point, he found a Hollywood agent and began concentrating on his film career.’
      • ‘That, rather than attacking each other, is what we should be concentrating on.’
      • ‘So it is not concentrating on any particular service that takes place in space time at any moment.’
  • 2with object Gather (people or things) together in numbers or in a mass.

    ‘wealth was concentrated in the hands of the governing elite’
    • ‘The benefits of colonoscopy are concentrated in a small segment of the population and are invisible in the aggregate statistics on longevity.’
    • ‘Population and employment are more concentrated in Dublin and therefore childcare is a salient issue for more people.’
    • ‘At the bottom the principal colors are violet, green, and ocher; they are strongly concentrated in relatively large masses which together form a kind of oval.’
    • ‘Intellectuals were very few in Russia at this time, and were concentrated in the two capitals.’
    • ‘Dr O'Flanagan said the STI problem was shared across Europe and tended to be concentrated in capital cities.’
    • ‘The island's population is concentrated in the city and its suburbs.’
    • ‘But for the moment, Prebys knows she has to proceed worker-by-worker, so she concentrates all her attention on Guillen.’
    • ‘‘Beads focus and concentrate esthetic attention,’ we learned from Nest's Joseph Holtzman.’
    • ‘Given that minority ethnic groups comprise around 10% of the population and are concentrated in urban areas, the statistic itself is not that shocking.’
    • ‘The first is that India's Muslim population is concentrated in a few States - 36 per cent reside in Bihar and Uttar Pradesh.’
    • ‘The suburban office market in Dublin will continue to lag this year, with letting activity concentrated primarily in city centre locations.’
    • ‘Shiites constitute 60 percent of Iraq's population and are heavily concentrated in the southern part of the country.’
    • ‘More than a third of the capital's cinemas are concentrated in central London.’
    • ‘Until recently, Niger's facilities for treating AIDS were concentrated in the capital.’
    • ‘South Australia's population is heavily concentrated in the Adelaide metropolitan area.’
    • ‘Ninety percent of Mali's population is concentrated in the southern regions - Kayes, Koulikoro, Sikasso, Ségou, and Mopti.’
    • ‘Rather, focus on Robben Island concentrates attention onto the larger tragedies of race and politics in the continent of Africa.’
    • ‘However, since the Korean immigrant population is concentrated in a few metropolitan areas in the United States, we do not include geography as a variable.’
    • ‘One of the stages in next Sunday's Mayo Stages Rally will be concentrated in the Rathnamagh / Moygownagh area.’
    • ‘Instead, resources are to be concentrated in the population density areas of greater Dublin with smaller investment recommended for Cork and Limerick.’
    1. 2.1no object Come together in numbers or in a mass.
      ‘troops were concentrating at the western front’
      • ‘Davout and Bernadotte have been ordered to Dornburg, with the other troops concentrating around Jena.’
      • ‘Confederate snipers took advantage of their positions atop Willis Hill to pick off the unlucky Federal troops concentrating at the edge of Fredericksburg.’
      • ‘Not, ‘should all the students be allowed to concentrate together?’’
      • ‘And, in a strange, twisted way, I'm grateful that my twinges and aches and creakings seem often enough to concentrate all together on a single day.’
      • ‘In a two-day battle, Radetzky concentrated 33,000 troops, took Custoza with the bayonet, and crushed the Piedmontese army.’
      • ‘Punta Banda is not a large estuary, and during falling tides most of the Western Sandpipers concentrate at one area.’
      • ‘Hence, the STF had shifted its focus and concentrated mainly on winning the faith and confidence of tribals.’
      • ‘The training exercises could be turned into military action against Taiwan because of the large number of troops already concentrating in Fujian Province.’
      collect, gather, congregate, draw together, converge, mass, cluster, rally
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  • 3with object Increase the strength or proportion of (a substance or solution) by removing or reducing the water or any other diluting agent or by selective accumulation of atoms or molecules.

    • ‘The C4 plants concentrate carbon dioxide levels prior to the Calvin cycle through the Hatch-Slack pathway.’
    • ‘Through time, as the quartz is eroded away, the gold is concentrated as nuggets and dust in streams and erosional plains.’
    • ‘It was first used in the gaskets and valves needed to concentrate Uranium 235 and resist the highly corrosive uranium hexaflouride gas.’
    • ‘Japanese investigators have discovered that plastics can concentrate hydrophobic chemicals a millionfold.’
    • ‘If the anhydrous form is being prepared, the solution is then concentrated to remove the water and crystallized.’
    • ‘While trying to conserve water the kidney concentrates these drugs thus compounding their toxicity.’
    • ‘This process, called supergene enrichment, can concentrate silver into exceedingly rich deposits at depth.’
    • ‘It can digest the mineral pyrite to extract sulphur, and in the process it concentrates gold within the mineral into tiny grains.’
    • ‘To improve the recovery rate, the mother liquor is concentrated and recycled, and is once again put into contact with an anion-exchange resin and a fresh solution containing crude a-APE.’
    • ‘Due to the low amount of protein in grape flesh it was necessary to concentrate protein in extracts by acetone precipitation.’
    • ‘These species depend upon a network of blood vessels to concentrate oxygen in their swim bladder.’
    • ‘Even where the reservoir is a fractured source rock, some internal flow of oil is involved in concentrating the oil to form an accumulation.’
    • ‘Darkening of the urine is most noticeable in the morning, either because the urine is more concentrated or there is increased hemolysis at night.’
    • ‘Distillation is a useful method for concentrating liquids from a solution.’
    • ‘Treatment with water pills in post-menopausal women will concentrate uric acid and result in gout.’
    • ‘Paint blisters caused by outside water are usually concentrated around joints and the end grain of wood.’
    • ‘Ultrafiltration devices used for concentrating protein were obtained from Fisher as were Slide-A-Lyzer dialysis cassettes.’
    • ‘Magmas concentrate metals, and magma fluids traveling into the surrounding wall rock plant the seeds for mineral growth.’
    • ‘Conodonts from sand were concentrated using a saturated solution of sodium polytungstate.’
    • ‘To make crack cocaine, ordinary cocaine is concentrated by heating the drug in a baking soda paste until the water evaporates.’
    condense, boil down, reduce, distil, thicken, compress
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noun

  • A substance made by removing water or other diluting agent; a concentrated form of something, especially food.

    ‘apple juice concentrate’
    • ‘The facility also manufactures lactose powder and whey protein concentrate.’
    • ‘Many avoid refined white sugar, using sweeteners like brown rice syrup, fruit juice concentrate or stevia.’
    • ‘Passion fruit syrup can be replaced with 2 additional tablespoons of orange juice concentrate.’
    • ‘Brush with unsweetened apple juice concentrate, place on grill screen and turn every 10 minutes until lightly browned and tender.’
    • ‘Imports of apple juice concentrate from China have gradually increased under world trading agreements, to the point where local suppliers can't compete.’
    • ‘This method is especially effective when consuming large amounts of hydrolyzed whey protein or whey concentrate.’
    • ‘Octacosanol supplements are usually derived from wheat germ oil, sugar cane wax or spinach concentrate.’
    • ‘Psoralen S - 59 and ultraviolet light are used together to treat individual platelet concentrates in the Helinx system, which cross links DNA and RNA.’
    • ‘Add the salt, sugar and tamarind concentrate and simmer for five minutes.’
    • ‘The box contains all the ingredients, like the grape juice concentrate, yeast, and stabilizing agents.’
    • ‘Cheese, lactose and whey protein concentrate can be shipped by truck or rail from the facility.’
    • ‘When used in this manner, the red cells are packed together and are known as red cell concentrates or ‘RCC’.’
    • ‘What's more, the soy protein concentrate in these products provides valuable iron and fiber.’
    • ‘In a medium bowl, combine the cornstarch, brown sugar, apple juice concentrate, and vanilla extract and whisk together.’
    • ‘Since commercial cranberry juice is loaded with sugar, use unsweetened concentrate or cranberry capsules from the natural food store.’
    • ‘Kadan envisions rice fries that can be easily fortified with vitamins, minerals, soy or rice protein concentrate, and other nutrients.’
    • ‘The grapes produced by commercial viticulture are sold either as table grapes or drying grapes, or crushed and processed into wine or grape juice, grape concentrate, or rectified grape must.’
    • ‘It has been blended with everything from tart lime juice to sugary strawberry concentrate, and even clam juice and horseradish just to get it down our gullets.’
    • ‘World production of, and trade in, apple juice and apple juice concentrate has expanded dramatically.’
    • ‘Other global businesses include palm oil refining, acrylic fibre, paper pulp and copper concentrate.’
    distillation, essence, extract
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Origin

Mid 17th century (in the sense ‘bring towards a center’): Latinized form of concenter, or from French concentrer ‘to concentrate’. concentrate (sense 1 of the verb) dates from the early 20th century.

Pronunciation

concentrate

/ˈkɑnsənˌtreɪt//ˈkänsənˌtrāt/