DRUMMOND-MORISON OPERATION

\dɹˈʌməndmˈɔːɹɪsən ˌɒpəɹˈe͡ɪʃən], \dɹˈʌməndmˈɔːɹɪsən ˌɒpəɹˈe‍ɪʃən], \d_ɹ_ˈʌ_m_ə_n_d_m_ˈɔː_ɹ_ɪ_s_ə_n ˌɒ_p_ə_ɹ_ˈeɪ_ʃ_ə_n]\

Definitions of DRUMMOND-MORISON OPERATION