{
    "term": "momentum",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "the ability to keep increasing or developing",
            "cefr": "c1",
            "examples": [
                {
                    "text": "The fight for his release **gathers momentum** each day."
                },
                {
                    "text": "They began to **lose momentum** in the second half of the game."
                },
                {
                    "text": "She gave fresh momentum to the campaign."
                },
                {
                    "text": "The campaign for change now has considerable momentum."
                },
                {
                    "text": "The team has lost momentum in recent weeks."
                },
                {
                    "text": "Their momentum has gone, and they feel they cannot fight any longer."
                },
                {
                    "text": "There is plenty of political momentum behind the proposed changes."
                },
                {
                    "text": "There's no forward momentum in the movie."
                },
                {
                    "text": "We have to keep the momentum of our sales operation going."
                },
                {
                    "text": "We must keep up the momentum for reform."
                },
                {
                    "text": "keeping up the momentum for growth"
                },
                {
                    "text": "the irresistible momentum towards reunification of the two countries"
                },
                {
                    "text": "The momentum of this success carried the party to victory in the elections."
                },
                {
                    "text": "The programme developed a momentum of its own."
                },
                {
                    "text": "This deal adds fresh momentum to plans for a new rail link."
                }
            ],
            "collocations": {
                "adjective": ["considerable", "great", "tremendous"],
                "verb + momentum": ["have", "build up", "gain"],
                "momentum + verb": ["build up", "increase", "carry somebody/​something"],
                "preposition": ["momentum for", "momentum towards/​toward"],
                "phrases": ["keep the momentum going"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "a force that is gained by movement",
            "cefr": "c1",
            "examples": [
                {
                    "text": "The vehicle **gained momentum** as the road dipped."
                },
                {
                    "text": "The car gathered momentum as it rolled down the hill."
                }
            ],
            "collocations": {
                "adjective": ["considerable", "great", "tremendous"],
                "verb + momentum": ["have", "build up", "gain"],
                "momentum + verb": ["build up", "increase", "carry somebody/​something"],
                "preposition": ["momentum for", "momentum towards/​toward"],
                "phrases": ["keep the momentum going"]
            }
        },
        {
            "senseNumber": 3,
            "definition": "the quantity of movement of a moving object, measured as its mass multiplied by its speed",
            "labels": "(specialist)",
            "cefr": "c2",
            "examples": [],
            "topics": ["Physics and chemistry"]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/məˈmentəm/",
                "audio": "mo/momentum/momentum__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/məʊˈmentəm/",
                "audio": "mo/momentum/momentum__us_1_rr.mp3"
            }
        ]
    },
    "wordOrigin": "late 17th cent.: from Latin, from movimentum, from movere ‘to move’."
}