When the experiment includes observations at all combinations of levels of each factor, it is termed factorial.
wˌɛn ðɪ ɛkspˈɛɹɪmənt ɪŋklˈuːdz ɑːbzɚvˈeɪʃənz æɾ ˈɔːl kˌɑːmbᵻnˈeɪʃənz ʌv lˈɛvəlz ʌv ˈiːtʃ fˈæktɚ, ɪɾ ɪz tˈɜːmd fæktˈoːɹɪəl.