ðə tɹænsmˈɪʃən kˌoʊɪfˈɪʃənt ɪz jˈuːzd ɪn fˈɪzɪks ænd ᵻlˈɛktɹɪkəl ˌɛndʒɪnˈɪɹɪŋ wɛn wˈeɪv pɹˌɑːpɐɡˈeɪʃən ɪn ɐ mˈiːdiəm kəntˈeɪnɪŋ dɪskɑːntɪnjˈuːᵻɾiz ɪz kənsˈɪdɚd.
The transmission coefficient is used in physics and electrical engineering when wave propagation in a medium containing discontinuities is considered.