practical language; everyday language; facility language
Refers to language used for daily practical communication, often contrasted with official or formal languages. The term 'facility language' is a technical translation used in some contexts.
In this region, a dialect is widely used as a practical language separate from the official language.
My goal is to acquire English proficiency as a practical language.
日常語 refers to everyday colloquial language, while 実用語 emphasizes practical utility and may include technical or domain-specific terms used in daily activities.
Compound of 実用 (practical use) and 語 (language). The exact historical derivation is uncertain; the term is a modern coinage reflecting the concept of language for practical purposes.