On the linguistic map, a line indicating the degree of linguistic change is called ……? A) Dialect B) Registers C) Isogloss D) Idiolect Related MCQs: What is the linguistic term for the study of pitch movement in language? Which of these is not a linguistic aspect of communicative competence? Name the poet who studied at Cambridge but received no degree. Repetition of the acre vowel sound a line of poetry is called?