{
    "term": "lens",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "b2",
    "image": "data/images/bi/binoculars_telescope.png",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a curved piece of glass or plastic that makes things look larger, smaller or clearer when you look through it",
            "cefr": "b2",
            "examples": [
                {
                    "text": "a pair of glasses with tinted lenses"
                },
                {
                    "text": "Put your hand in front of your right lens and just look through your left lens."
                },
                {
                    "text": "She wears glasses with very thick lenses."
                }
            ],
            "collocations": {
                "adjective": ["strong", "thick", "coloured/​colored"],
                "lens + noun": ["cap", "cover"],
                "preposition": ["through a/​the lens"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "a piece of equipment that is part of a camera, containing one or more lenses",
            "cefr": "b2",
            "ox3000": true,
            "examples": [
                {
                    "text": "a camera with an adjustable lens"
                },
                {
                    "text": "a view of Mount Kilimanjaro as seen through Eddie's camera lens"
                },
                {
                    "text": "a **lens cap/cover**"
                },
                {
                    "text": "a long-lens shot of a rare bird"
                }
            ]
        },
        {
            "senseNumber": 3,
            "definition": "a contact lens (= a small round piece of thin plastic that you put on your eye to help you see better)",
            "labels": "(informal)",
            "cefr": "b2",
            "examples": [
                {
                    "text": "Have you got your lenses in?"
                }
            ]
        },
        {
            "senseNumber": 4,
            "definition": "the clear part of the eye, behind the pupil, that focuses light so that you can see clearly",
            "labels": "(anatomy)",
            "cefr": "c1",
            "examples": [],
            "topics": ["Body"]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/lenz/",
                "audio": "le/lens/lens__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/lenz/",
                "audio": "le/lens/lens__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "late 17th cent.: from Latin, ‘lentil’ (because of the similarity in shape)."
}