Condition of being able to speak several languages(noun)
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Use "multilingualism" in a sentence
"Note that, to understand such situations, one has to forget the notion of multilingualism as mutual translation."
"EUOBSERVER / BRUSSELS - On the eve of the release of the European Commission's first-ever communication on mulitlingualism, a Dutch academic has called multilingualism "a pain in the neck" at an EU debate on the topic in Brussels."
"All we have seen so far is a rhetorical support for "multilingualism" which they have never bothered to unpack beyond the word itself."