{
    "term": "carbon",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "b2",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a chemical element. Carbon is found in all living things, existing in a pure state as diamond and graphite.",
            "cefr": "b2",
            "examples": [
                {
                    "text": "carbon fibre"
                },
                {
                    "text": "iron with a high carbon content"
                }
            ],
            "topics": ["Physics and chemistry"],
            "collocations": {
                "adjective": ["pure", "organic", "radioactive"],
                "carbon + noun": ["content", "atom", "isotope"],
                "phrases": ["a form of carbon"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "used when referring to the gas carbon dioxide in terms of the effect it has on the earth’s climate in causing global warming",
            "cefr": "b2",
            "examples": [
                {
                    "text": "carbon emissions/levels/taxes"
                }
            ],
            "topics": ["The environment"],
            "collocations": {
                "adjective": ["pure", "organic", "radioactive"],
                "carbon + noun": ["content", "atom", "isotope"],
                "phrases": ["a form of carbon"]
            }
        },
        {
            "senseNumber": 3,
            "definition": "a copy of a document, letter, etc. made with carbon paper",
            "examples": []
        },
        {
            "senseNumber": 4,
            "definition": "a person or thing that is very similar to somebody/something else",
            "examples": []
        },
        {
            "senseNumber": 5,
            "definition": "a piece of carbon paper",
            "examples": []
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈkɑːbən/",
                "audio": "ca/carbon/carbon__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈkɑːrbən/",
                "audio": "ca/carbon/carbon__us_3.mp3"
            }
        ]
    },
    "wordOrigin": "late 18th cent.: from French carbone, from Latin carbo, carbon- ‘coal, charcoal’."
}