lˈeɪɾɚ, ðə tˈɜːm ɪnnˈeɪt hˈiːt wʌz ɐtɹˈɪbjuːɾᵻd tə fɹˈɪkʃən kˈɔːzd baɪ ðə mˈoʊʃən ʌv blˈʌd θɹuː ˈɑːɹɾɚɹiz, æz ˈɛvɪdənst baɪ ðə sˌaɪkləpˈiːdiə wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd twˈɛnti ˈeɪt:
Later, the term innate heat was attributed to friction caused by the motion of blood through arteries, as evidenced by the Cyclopaedia (1728):