col ‧ lec ‧ tiv ‧ ize BrE AmE ( also collectivise British English ) /kəˈlektɪvaɪz/ verb [transitive]
[ Word Family: noun : ↑ collection , ↑ collector , ↑ collective , ↑ collectable , collectible, ↑ collectivism , ↑ collectivization ; adjective : ↑ collected , ↑ collective , ↑ collectable , collectible, ↑ collectivist ; verb : ↑ collect , ↑ collectivize ; adverb : ↑ collectively ]
to join privately owned farms or businesses together, so that they can be owned by the government in a Communist political system
—collectivization /kəˌlektɪvaɪˈzeɪʃ ə n $ -və-/ noun [uncountable]