Meaning of OCCURRENCE in English

n. 1 happening, event, incident, phenomenon, affair, matter, experience Earthquakes are frequent occurrences in California 2 existence, instance, manifestation, materialization, appearance, development The occurrence of mutations diversifies the species 3 frequency, incidence, rate; likelihood, chance: What is the recorded occurrence of typhoons in the South China Sea?

Oxford thesaurus English vocab.      Английский словарь Оксфорд тезаурус.