{
    "term": "crystal",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a small piece of a substance with many even sides, that is formed naturally when the substance becomes solid",
            "cefr": "c1",
            "examples": [
                {
                    "text": "**ice/salt crystals**"
                }
            ],
            "topics": ["Physics and chemistry"],
            "collocations": {
                "adjective": ["single", "small", "tiny"],
                "crystal + verb": ["form", "grow"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "a clear mineral, such as quartz, used in making jewellery and attractive objects",
            "cefr": "c1",
            "examples": [
                {
                    "text": "crystal earrings"
                }
            ],
            "topics": ["Clothes and Fashion"],
            "collocations": {
                "adjective": ["single", "small", "tiny"],
                "crystal + verb": ["form", "grow"]
            }
        },
        {
            "senseNumber": 3,
            "definition": "glass of very high quality",
            "examples": [
                {
                    "text": "a **crystal chandelier/vase**"
                },
                {
                    "text": "Every table had been set with fine china and crystal."
                }
            ]
        },
        {
            "senseNumber": 4,
            "definition": "a small piece of a mineral that some people believe has the power to bring health or happiness",
            "examples": [
                {
                    "text": "She claims that Smoky Quartz is a powerful healing crystal."
                }
            ]
        },
        {
            "senseNumber": 5,
            "definition": "a piece of glass or plastic that covers the face of a watch",
            "examples": []
        },
        {
            "senseNumber": 6,
            "definition": "a powerful illegal drug, methamphetamine, that looks like small pieces of glass",
            "labels": "(informal)",
            "examples": []
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈkrɪstl/",
                "audio": "cr/crystal/crystal__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈkrɪstl/",
                "audio": "cr/crystal/crystal__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "late Old English (denoting ice or a mineral resembling it), from Old French cristal, from Latin crystallum, from Greek krustallos ‘ice, crystal’. The chemistry sense dates from the early 17th cent."
}