{
    "term": "radar",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "definitions": [
        {
            "senseNumber": null,
            "definition": "a system that uses radio waves to find the position and movement of objects, for example planes and ships, when they cannot be seen",
            "examples": [
                {
                    "text": "They located the ship by radar."
                },
                {
                    "text": "a radar screen"
                },
                {
                    "text": "The aircraft suddenly went off the radar."
                },
                {
                    "text": "The submarine is impossible to detect on radar."
                },
                {
                    "text": "navigation by radar"
                }
            ],
            "topics": ["Transport by water", "Transport by air"],
            "collocations": {
                "adjective": ["enemy", "police", "airborne"],
                "verb + radar": ["be equipped with"],
                "radar + noun": ["operator", "station", "system"],
                "preposition": ["by radar", "on radar"],
                "phrases": ["off the radar", "on the radar"]
            }
        },
        {
            "senseNumber": null,
            "definition": "used to say that people are not aware of something",
            "examples": [
                {
                    "text": "Experts say a lot of corporate crime stays under the radar."
                },
                {
                    "text": "The conflict has slipped below the radar of the media."
                }
            ]
        },
        {
            "senseNumber": null,
            "definition": "used to say that people’s attention is on or not on something",
            "examples": [
                {
                    "text": "The issue of terrorism is back on the radar screen."
                },
                {
                    "text": "Since the scandal broke, all other issues seem to have **disappeared off the radar screen** as far as the media is concerned."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈreɪdɑː(r)/",
                "audio": "ra/radar/radar__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈreɪdɑːr/",
                "audio": "ra/radar/radar__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "1940s: from ra(dio) d(etection) a(nd) r(anging)."
}