Pronunciation: [ˌɪdɪˌɒkɐlˈɪptɹə͡ʊsˌə͡ʊm] (IPA)
Correct spelling for the English word "idiocalyptrosome" is [ˌɪdɪˌɒkɐlˈɪptɹə͡ʊsˌə͡ʊm], [ˌɪdɪˌɒkɐlˈɪptɹəʊsˌəʊm], [ˌɪ_d_ɪ__ˌɒ_k_ɐ_l_ˈɪ_p_t_ɹ_əʊ_s_ˌəʊ_m] (IPA phonetic alphabet).