Angla-esperanta vortaro »

cooperation signifas en esperanta

AnglaEsperanta
cooperation [cooperations] (act of cooperating or being cooperative)
noun
[UK: kəʊ.ˌɒ.pə.ˈreɪʃ.n̩]
[US: koʊ.ˌɒ.pə.ˈreɪʃ.n̩]

kooperadonoun

Via historio