n.
Pronunciation: - ' ven(t)-sh ə - ˌ ni-z ə m
Function: noun
Date: 1923
: the theory or practice of intervening specifically : governmental interference in economic affairs at home or in political affairs of another country
– in · ter · ven · tion · ist \ - ' vench-nist, - ' ven(t)-sh ə -nist \ noun or adjective