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noun, feminine

insonorisation

/ɛ̃.sɔ.nɔ.ʁi.za.sjɔ̃/

noun, feminine/ɛ̃.sɔ.nɔ.ʁi.za.sjɔ̃/plural: insonorisations

soundproofing

From insonore + -isation.