{
    "term": "concentration",
    "partOfSpeech": "noun",
    "academic": true,
    "ox3000": true,
    "cefr": "b2",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "the ability to direct all your effort and attention on one thing, without thinking of other things",
            "cefr": "b2",
            "ox3000": true,
            "examples": [
                {
                    "text": "This book requires a great deal of concentration."
                },
                {
                    "text": "Tiredness affects your powers of concentration."
                },
                {
                    "text": "One momentary lapse in concentration could prove fatal."
                },
                {
                    "text": "He has a poor **concentration span** *(= cannot concentrate for long)*."
                },
                {
                    "text": "Don's voice from outside broke my concentration."
                },
                {
                    "text": "She has great powers of concentration for a child her age."
                },
                {
                    "text": "The game requires great concentration."
                },
                {
                    "text": "a look of total concentration on her face"
                },
                {
                    "text": "The noise had disturbed his concentration."
                },
                {
                    "text": "The manager criticized the players for showing a lack of concentration."
                }
            ],
            "collocations": {
                "adjective": ["deep", "great", "intense"],
                "verb + concentration": ["demand", "need", "require"],
                "concentration + noun": ["lapse"],
                "preposition": ["concentration on"],
                "phrases": [
                    "a lack of concentration",
                    "a lapse in concentration",
                    "a lapse of concentration"
                ]
            }
        },
        {
            "senseNumber": 2,
            "definition": "the process of people directing effort and attention on a particular thing",
            "sensetop": "concentration (on something)",
            "examples": [
                {
                    "text": "He stressed the need for greater concentration on environmental issues."
                },
                {
                    "text": "In his concentration on the job in hand, John allowed his normal vigilance to slip."
                }
            ]
        },
        {
            "senseNumber": 3,
            "definition": "a lot of something in one place",
            "sensetop": "concentration (of something)",
            "examples": [
                {
                    "text": "a concentration of industry in the north of the country"
                },
                {
                    "text": "The greatest concentration of traffic is in the city centre."
                },
                {
                    "text": "The greatest concentration of traffic is downtown."
                }
            ],
            "collocations": {
                "adjective": ["elevated", "great", "heavy"],
                "verb + concentration": ["increase", "decrease", "reduce"],
                "concentration + verb": ["increase", "rise", "decrease"]
            }
        },
        {
            "senseNumber": 4,
            "definition": "the amount of a substance in a liquid or in another substance",
            "examples": [
                {
                    "text": "glucose concentrations in the blood"
                },
                {
                    "text": "Evaporation gradually increases the salt concentration of the water."
                },
                {
                    "text": "The concentration of nitrates in the drinking water has risen in recent years."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˌkɒnsnˈtreɪʃn/",
                "audio": "xc/concentration/xconcentration__gb_2.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˌkɑːnsnˈtreɪʃn/",
                "audio": "xc/concentration/xconcentration__us_1.mp3"
            }
        ]
    },
    "wordOrigin": null
}