From multilingual + -ism .
multilingualism (usually uncountable , plural multilingualisms )
The condition of being multilingual ; the ability to speak multiple languages .
2020 October 27, Emily Bouza, Tim Cavnar, and Keli Tucker, “Translingualism: An Alternative to Restrictive Monolingual Ideologies in Writing Instruction”, in Another Word [1] :This is, perhaps, where writing centers and composition studies are implicated most obviously into the conversation of language ideology, translingualism, and multilingualism .
ability to speak several languages
Arabic: متعدد اللغات
Armenian: բազմալեզվություն (hy) ( bazmalezvutʻyun )
Azerbaijani: çoxdillilik
Basque: eleaniztasuna
Breton: liesyezhegezh (br)
Catalan: plurilingüisme (ca) m , multilingüisme (ca)
Czech: vícejazyčnost
Dutch: meertaligheid (nl) f
Esperanto: plurlingvismo
Finnish: monikielisyys (fi)
French: multilinguisme (fr) m , plurilinguisme (fr) m
Galician: plurilingüismo m , multilingüismo m
German: Mehrsprachigkeit (de) f , Vielsprachigkeit (de) f , Multilingualismus (de) m , Multilinguismus m , Multilingualität f
Hebrew: רב-לשוניות f ( rav-leshoniyút )
Hindi: बहुभाषिकता f ( bahubhāṣiktā ) , बहुभाषिता f ( bahubhāṣitā )
Hungarian: többnyelvűség (hu)
Italian: plurilinguismo m , multilinguismo m
Kazakh: көптілділік ( köptıldılık )
Latin: multilingualismus m
Lithuanian: daugiakalbystė
Macedonian: повеќеја́зичност f ( poveḱejázičnost )
Norman: multilîndgisme m
Norwegian:
Bokmål: flerspråklighet (no) m or f
Nynorsk: fleirspråklegheit f
Occitan: multilingüisme
Polish: wielojęzyczność (pl)
Portuguese: plurilinguismo m , multilinguismo m
Romanian: multilingvism (ro)
Russian: многоязы́чие (ru) n ( mnogojazýčije ) , многоязы́чность (ru) f ( mnogojazýčnostʹ ) , мультилингви́зм (ru) m ( mulʹtilingvízm )
Spanish: plurilingüismo (es) , multilingüismo m
Swedish: flerspråkighet (sv) c
Turkish: çokdillilik (tr)
Ukrainian: багатомо́вність (uk) f ( bahatomóvnistʹ )