{
    "term": "efficiency",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "the quality of doing something well with no waste of time or money",
            "cefr": "c1",
            "examples": [
                {
                    "text": "improvements in efficiency at the factory"
                },
                {
                    "text": "I was impressed by the efficiency with which she handled the crisis."
                },
                {
                    "text": "She has run the project with great efficiency."
                },
                {
                    "text": "He carried out his orders with ruthless efficiency."
                },
                {
                    "text": "The optimum design allows bartenders to work at peak efficiency."
                },
                {
                    "text": "The new computer system will cut costs and increase efficiency."
                },
                {
                    "text": "Giving employees more flexible working hours usually leads to enhanced efficiency."
                },
                {
                    "text": "New timekeeping procedures had been introduced as part of an efficiency drive."
                },
                {
                    "text": "The internet's promise to bring more efficiency to the distribution chain is still materializing."
                },
                {
                    "text": "attempts to achieve greater efficiency in the production process"
                },
                {
                    "text": "A team of inspectors will be monitoring the efficiency of the new system."
                },
                {
                    "text": "Some people have questioned the efficiency of the software."
                },
                {
                    "text": "The changes are being made in the interests of safety and efficiency."
                }
            ],
            "collocations": {
                "adjective": ["ruthless", "great", "high"],
                "verb + efficiency": ["achieve", "maintain", "demonstrate"],
                "efficiency + noun": ["drive", "measures", "benefits"],
                "preposition": ["with efficiency", "efficiency in"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "ways of wasting less time and money or of saving time or money",
            "cefr": "c1",
            "examples": [
                {
                    "text": "We are looking at our business to see where savings and efficiencies can be made."
                }
            ]
        },
        {
            "senseNumber": 3,
            "definition": "the relationship between the amount of energy that goes into a machine or an engine, and the amount that it produces",
            "examples": [
                {
                    "text": "We have failed to improve energy efficiency standards."
                },
                {
                    "text": "What is the efficiency percentage of solar panels?"
                }
            ],
            "collocations": {
                "adjective": ["ruthless", "great", "high"],
                "verb + efficiency": ["achieve", "maintain", "demonstrate"],
                "efficiency + noun": ["drive", "measures", "benefits"],
                "preposition": ["with efficiency", "efficiency in"]
            }
        },
        {
            "senseNumber": 4,
            "definition": "a small apartment with one main room for living, cooking and sleeping in and a separate bathroom",
            "labels": "(all North American English)",
            "examples": []
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ɪˈfɪʃnsi/",
                "audio": "ef/efficiency/efficiency__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ɪˈfɪʃnsi/",
                "audio": "ef/efficiency/efficiency__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "late 16th cent. (in the sense ‘the fact of being an efficient cause’): from Latin efficientia, from efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’."
}