pyrometerPronunciation: /pʌɪˈrɒmɪtə/Definition of pyrometer noun an instrument for measuring high temperatures, especially in furnaces and kilns: radiation pyrometer optical pyrometerDerivatives pyrometricPronunciation: /-rəˈmɛtrɪk/ adjective pyrometricallyPronunciation: /-rəˈmɛtrɪk(ə)li/ adverb pyrometryPronunciation: /-mɪtri/ noun pyrometer in other Oxford dictionaries Definition of pyrometer in the US English dictionary