K.O.C.
\kˌe͡ɪˌə͡ʊsˈiː], \kˌeɪˌəʊsˈiː], \k_ˌeɪ_ˌəʊ_s_ˈiː]\
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Abbreviation of Cathodal opening contraction.
By Willam Alexander Newman Dorland
