acrolect

noun

(sociolinguistics) The variety of speech that is considered most suitable for formal occasions (typically using only standard forms).

The acrolect of this language is considered the standard form.

意味（1）

(sociolinguistics) The variety of speech that is considered most suitable for formal occasions (typically using only standard forms).

In one dimension change is directed toward the acrolect, the “typical” change in the creole continuum.