ɔːlðˈoʊ mˈoʊst kənsˈɪdɚ ðə fɹˈɛntʃ fˈɪzɪsˌɪst nˈɪkələz sˈædi kˈɑːɹnɑːt təbi ðə fˈɜːst tɹˈuː θˌɜːmoʊdaɪnˈæmɪsˌɪst, ðə tˈɜːm θˌɜːmoʊdaɪnˈæmɪks ɪtsˈɛlf wˈʌzn̩t kˈɔɪnd ʌntˈɪl wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi nˈaɪn baɪ lˈɔːɹd kˈɛlvɪn ɪn hɪz pˌʌblɪkˈeɪʃən ɐn ɐkˈaʊnt ʌv kˈɑːɹnɑːts θˈiəɹi ʌvðə mˈoʊɾɪv pˈaʊɚɹ ʌv hˈiːt.
Although most consider the French physicist Nicolas Sadi Carnot to be the first true thermodynamicist, the term thermodynamics itself wasn't coined until 1849 by Lord Kelvin in his publication An Account of Carnot's Theory of the Motive Power of Heat.