{
    "term": "iron",
    "partOfSpeech": "noun",
    "ox3000": true,
    "cefr": "b1",
    "image": "data/images/ir/ironingboard.png",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a chemical element. Iron is a hard strong metal that is used to make steel and is also found in small quantities in blood and food.",
            "labels": "(figurative)",
            "cefr": "b1",
            "ox3000": true,
            "examples": [
                {
                    "text": "**iron gates/bars/railings**"
                },
                {
                    "text": "a hut with a **corrugated iron** roof"
                },
                {
                    "text": "the **iron and steel** industries"
                },
                {
                    "text": "**iron ore** *(= rock containing iron)*"
                },
                {
                    "text": "foods that are rich in iron"
                },
                {
                    "text": "patients with **iron deficiency** *(= not enough iron in their blood)*"
                },
                {
                    "text": "iron tablets *(= containing iron prepared as a medicine)*"
                },
                {
                    "text": "She had a will of iron *(= it was very strong)*."
                }
            ],
            "topics": ["Physics and chemistry"],
            "collocations": {
                "adjective": ["rusty", "cast", "corrugated"],
                "verb + iron": ["make", "produce", "smelt"],
                "iron + verb": ["rust"],
                "iron + noun": ["ore", "bar", "gate"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "a tool with a flat metal base that can be heated and used to make clothes smooth",
            "cefr": "b1",
            "ox3000": true,
            "examples": [
                {
                    "text": "a steam iron"
                },
                {
                    "text": "I just need to run an iron over my shirt, then I'm ready."
                },
                {
                    "text": "Use a cool iron on synthetics."
                }
            ],
            "topics": ["Houses and homes"],
            "collocations": {
                "adjective": ["hot", "warm", "electric"],
                "verb + iron": ["use"]
            }
        },
        {
            "senseNumber": 3,
            "definition": "a tool made of iron or another metal",
            "examples": [],
            "collocations": {
                "adjective": ["hot", "warm", "electric"],
                "verb + iron": ["use"]
            }
        },
        {
            "senseNumber": 4,
            "definition": "chains or other heavy objects made of iron, attached to the arms and legs of prisoners, especially in the past",
            "labels": "(old-fashioned)",
            "examples": [
                {
                    "text": "leg irons"
                },
                {
                    "text": "to clap somebody in irons"
                }
            ]
        },
        {
            "senseNumber": 5,
            "definition": "one of the set of clubs (= sticks for hitting the ball with) that have a metal head",
            "cefr": "c2",
            "examples": [
                {
                    "text": "He hit a magnificent shot with a nine iron."
                }
            ],
            "topics": ["Sports: ball and racket sports"]
        },
        {
            "senseNumber": null,
            "definition": "to be involved in several activities or areas of business at the same time, hoping that at least one will be successful",
            "examples": []
        },
        {
            "senseNumber": null,
            "definition": "to do exercises in which you lift heavy weights in order to make your muscles stronger",
            "labels": "(informal)",
            "examples": [],
            "topics": ["Health and Fitness"]
        },
        {
            "senseNumber": null,
            "definition": "to control a person or a group of people very severely",
            "examples": []
        },
        {
            "senseNumber": null,
            "definition": "to make use of an opportunity immediately",
            "labels": "(saying)",
            "examples": []
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈaɪən/",
                "audio": "ir/iron/iron__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈaɪərn/",
                "audio": "ir/iron/iron__us_2.mp3"
            }
        ]
    },
    "wordOrigin": "Old English īren, īsen, īsern, of Germanic origin; related to Dutch ijzer and German Eisen, and probably ultimately from Celtic."
}