accentualist
/əkˈsɛn(t)ʃʊəlɪst/ /əkˈsɛn(t)ʃ(ʊ)lɪst/ /akˈsɛn(t)ʃʊəlɪst/noun
A believer in the primacy of accent or stress; specifically a person who believes in accent, as opposed to quantity, as a principle of metre or of plainsong.
Origin
Late 19th century. From accentual + -ist. Compare earlier accentuality.