{
    "term": "laser",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "definitions": [
        {
            "senseNumber": null,
            "definition": "a device that gives out light in which all the waves oscillate (= change direction and strength) together, typically producing a powerful beam of light that can be used for cutting metal, in medical operations, etc.",
            "examples": [
                {
                    "text": "a laser beam"
                },
                {
                    "text": "a laser navigation device"
                },
                {
                    "text": "The barcodes on the products are read by lasers."
                },
                {
                    "text": "a **laser show** *(=  used as entertainment)*"
                },
                {
                    "text": "She's had **laser surgery** on her eye."
                },
                {
                    "text": "**laser treatment/therapy**"
                }
            ],
            "topics": ["Physics and chemistry"],
            "collocations": {
                "adjective": ["powerful", "infrared"],
                "verb + laser": ["use", "aim", "fire"],
                "laser + noun": ["beam", "blast", "light"]
            }
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈleɪzə(r)/",
                "audio": "la/laser/laser__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈleɪzər/",
                "audio": "la/laser/laser__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "1960s: acronym from light amplification by stimulated emission of radiation, on the pattern of maser."
}