co ‧ ex ‧ ist ‧ ence /ˌkəʊɪɡˈzɪst ə ns $ ˌkoʊ-/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ existence ≠ ↑ non-existence , ↑ existent , ↑ existentialism , ↑ existentialist , ↑ coexistence ; adjective : ↑ existent ≠ ↑ nonexistent , ↑ existing , ↑ pre-existing , ↑ existential , ↑ existentialist ; verb : ↑ exist , ↑ coexist ]
when two different things or groups of people exist together at the same time or in the same place
coexistence of
the coexistence of two systems of measurement
over 50 years of peaceful coexistence