For Quantitive Verse we have a term and definition in Poetry.

Verse which, rather than on the syllabic count or accent, is based on a systematic succession of long and short syllables, i.e., syllables which take a longer or shorter quantity of time to pronounce. When the lines are properly read, with the speed of articulation determined by varying vowel length and consonant groupings, the rhythmic pattern develops naturally. The unit of measure in quantitive verse is the mora.
Sidelight: Classical Greek and Latin poetry were based on quantitive verse, while most modern English poetry is a combination of accentual and syllabic versification.
(Compare Accentual Verse, Syllabic Verse)
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