thermal efficiency
performance measure of a device that uses thermal energy, expressed as the ratio of work done over thermal energy used
en-US/ˈθɝmæl ɪˈfɪʃənsi/
en-GB/ˈθɜːml ɪˈfɪʃənsɪ/
performance measure of a device that uses thermal energy, expressed as the ratio of work done over thermal energy used