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    tachometer

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    tachometer

    Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
    Related topics: Motor vehicles
    ta·chom·e·ter /tæˈkɒmɪtə $ -ˈkɑːmɪtər/ noun [countable] technical  TTCa piece of equipment used to measure the speed at which the engine of a vehicle turns 转速表，速度表
    Examples from the Corpus
    tachometer• I am unable to find a supplier of an add on tachometer.    Origin tachometer (1800-1900) Greek tachos “speed” + English -meter
    ta·chom·e·ter nounChineseSyllable
    equipment measure Corpus to used piece a of


    tachometer
    ta‧chom‧e‧ter /tæˈkɒmətə, tæˈkɒmɪtə $ -ˈkɑːmətər/ noun [countable] technical
     Date: 1800-1900
     Language: Greek
     Origin: tachos 'speed' + English -meter
    a piece of equipment used to measure the speed at which the engine of a vehicle turns


    tach·om·eterBrE /tæˈkɒmɪtə(r)/ 🔊NAmE /tæˈkɑːmɪtər/ 🔊 nouna device that measures the rate that sth turns and is used to measure the speed of an engine in a vehicle 转速表（车辆发动机用）