{
    "term": "nuclear",
    "partOfSpeech": "adjective",
    "academic": true,
    "ox3000": true,
    "cefr": "b1",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "using, producing or resulting from nuclear energy",
            "cefr": "b1",
            "ox3000": true,
            "examples": [
                {
                    "text": "a **nuclear power plant/station**"
                },
                {
                    "text": "China and India only produce a very small percentage of their electricity from **nuclear facilities**."
                },
                {
                    "text": "the nuclear industry"
                },
                {
                    "text": "nuclear-powered submarines"
                },
                {
                    "text": "a **nuclear reactor**"
                },
                {
                    "text": "**nuclear waste/fuel**"
                }
            ],
            "topics": ["The environment", "Physics and chemistry"]
        },
        {
            "senseNumber": 2,
            "definition": "connected with weapons that use nuclear energy",
            "cefr": "b1",
            "ox3000": true,
            "examples": [
                {
                    "text": "**nuclear weapons/arms**"
                },
                {
                    "text": "a nuclear bomb/missile/warhead"
                },
                {
                    "text": "a nuclear explosion/attack/war"
                },
                {
                    "text": "the country’s **nuclear capability** *(= the fact that it has nuclear weapons)*"
                },
                {
                    "text": "The country is developing a **nuclear weapons program**."
                },
                {
                    "text": "They aim to discourage the country from developing its **nuclear weapons program** further."
                },
                {
                    "text": "They argued in favour of keeping a **nuclear deterrent** *(= nuclear weapons that are intended to stop an enemy from attacking)*."
                },
                {
                    "text": "The opponents are campaigning for **nuclear disarmament**."
                },
                {
                    "text": "Years of threats by the U.S. have done nothing to curb these states' **nuclear ambitions** *(= attempts to develop nuclear weapons)*."
                },
                {
                    "text": "Russia's huge **nuclear arsenal**"
                }
            ],
            "topics": ["War and conflict", "Physics and chemistry"]
        },
        {
            "senseNumber": 3,
            "definition": "of the nucleus (= central part) of an atom",
            "labels": "(physics)",
            "cefr": "c1",
            "examples": [
                {
                    "text": "nuclear particles"
                },
                {
                    "text": "a nuclear reaction"
                }
            ],
            "topics": ["Physics and chemistry"]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈnjuːkliə(r)/",
                "audio": "nu/nuclear/nuclear__gb_2.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈnuːkliər/",
                "audio": "nu/nuclear/nuclear__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "mid 19th cent.: from nucleus + -ar."
}