noun
descriptive linguistics
Academic field that studies and describes how language is actually used, without prescribing rules.
記述言語学では、実際の言語使用を客観的に分析する。
Descriptive linguistics objectively analyzes actual language use.
Prescriptive grammar, which dictates how language should be used, in contrast to the descriptive approach of 記述言語学.
Compound of 記述 (description) + 言語学 (linguistics).