Correct spelling for the English word "TPIOABCS" is [tˈiːpɪˈə͡ʊbks], [tˈiːpɪˈəʊbks], [t_ˈiː_p_ɪ__ˈəʊ_b_k_s] (IPA phonetic alphabet).
"TPIOABCS" is not a recognized acronym or term with an established meaning in standard dictionaries. Therefore, a dictionary definition cannot be provided for this specific term.