{
    "term": "extension",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "b2",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "the act of increasing the area of activity, group of people, etc. that is affected by something",
            "sensetop": "extension (of something)",
            "cefr": "b2",
            "examples": [
                {
                    "text": "the extension of new technology into healthcare"
                },
                {
                    "text": "a gradual extension of the powers of central government"
                },
                {
                    "text": "The bank plans various extensions to its credit facilities."
                },
                {
                    "text": "My home life was becoming no more than an extension of my job."
                },
                {
                    "text": "The company sees brand extensions as a means of tempting back customers."
                },
                {
                    "text": "The team appraisal is a logical extension of the individual appraisal interview."
                },
                {
                    "text": "This new job is a further extension of his role as a manager."
                }
            ],
            "collocations": {
                "adjective": ["considerable", "great", "major"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "a new room or rooms that are added to a house",
            "sensetop": "extension (to something)",
            "labels": "North American English also(British English)(especially North American English)(British English)(British English)(North American English)(British English)(especially British English)(British English)(British English)(especially British English)(especially British English)(North American English usually)",
            "cefr": "c1",
            "examples": [
                {
                    "text": "They're building an extension to their house."
                }
            ],
            "topics": ["Houses and homes", "Buildings"],
            "collocations": {
                "adjective": ["planned", "proposed", "home"],
                "verb + extension": ["add", "build"],
                "preposition": ["extension to"]
            }
        },
        {
            "senseNumber": 3,
            "definition": "a new part that is added to a building",
            "cefr": "c1",
            "examples": [
                {
                    "text": "a planned two-storey extension to the hospital"
                }
            ],
            "collocations": {
                "adjective": ["planned", "proposed", "home"],
                "verb + extension": ["add", "build"],
                "preposition": ["extension to"]
            }
        },
        {
            "senseNumber": 4,
            "definition": "an extra period of time allowed for something",
            "sensetop": "extension (of something)",
            "labels": "(British English)",
            "examples": [
                {
                    "text": "He's been granted an extension of the contract for another year."
                },
                {
                    "text": "a visa extension"
                },
                {
                    "text": "She was given an extension to finish writing her thesis."
                },
                {
                    "text": "The pub had an extension *(= was allowed to stay open longer)* on Christmas Eve."
                },
                {
                    "text": "He's applied for an extension of his visa."
                },
                {
                    "text": "The player has signed a five-year contract extension."
                }
            ],
            "collocations": {
                "adjective": ["one-week", "two-year", "etc."],
                "verb + extension": ["apply for", "ask for", "request"]
            }
        },
        {
            "senseNumber": 5,
            "definition": "a phone line with its own number, connected to a switchboard in a large building",
            "cefr": "c1",
            "examples": [
                {
                    "text": "What's your extension number?"
                },
                {
                    "text": "Can I have extension 4332 please?"
                },
                {
                    "text": "I'll give you my extension number, so you can phone me directly."
                }
            ],
            "topics": ["Phones, email and the internet"],
            "collocations": {
                "adjective": ["planned", "proposed", "home"],
                "verb + extension": ["add", "build"],
                "preposition": ["extension to"]
            }
        },
        {
            "senseNumber": 6,
            "definition": "the act of making something longer or larger; the thing that is made longer and larger",
            "examples": [
                {
                    "text": "The extension of the subway will take several months."
                },
                {
                    "text": "extensions to the original railway track"
                }
            ],
            "collocations": {
                "adjective": ["considerable", "great", "major"]
            }
        },
        {
            "senseNumber": 7,
            "definition": "pieces of artificial hair that are added to somebody's own hair to make it longer",
            "examples": [
                {
                    "text": "These extensions are very easy to use and won't damage your own hair."
                }
            ]
        },
        {
            "senseNumber": 8,
            "definition": "a part of a college or university that offers courses to students who are not studying full-time; a programme of study for these students",
            "cefr": "c2",
            "examples": [
                {
                    "text": "La Salle Extension University"
                },
                {
                    "text": "extension courses"
                }
            ],
            "topics": ["Education"],
            "collocations": {
                "adjective": ["planned", "proposed", "home"],
                "verb + extension": ["add", "build"],
                "preposition": ["extension to"]
            }
        },
        {
            "senseNumber": 9,
            "definition": "the set of three letters that are placed after the dot (= small round mark) at the end of the name of a file and that show what type of file it is",
            "cefr": "c2",
            "examples": [
                {
                    "text": "The extension .doc indicates a word-processing file."
                }
            ],
            "topics": ["Computers"]
        },
        {
            "senseNumber": 10,
            "definition": "an extra length of electric wire, used when the wire on an electrical device is not long enough",
            "labels": "(both British English)North American English",
            "examples": []
        },
        {
            "senseNumber": null,
            "definition": "taking the argument or situation one stage further",
            "labels": "(formal)",
            "examples": [
                {
                    "text": "The blame lies with the teachers and, by extension, with the Education Service."
                }
            ],
            "topics": ["Opinion and argument"]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ɪkˈstenʃn/",
                "audio": "ex/extension/extension__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ɪkˈstenʃn/",
                "audio": "ex/extension/extension__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "late Middle English: from late Latin extensio(n-), from extendere ‘stretch out’, from ex- ‘out’ + tendere ‘stretch’."
}