stress-timed 
adjective
(Of a language) characterized by a rhythm in which primary stresses occur at roughly equal intervals, irrespective of the number of unstressed syllables in between. English is a stress-timed language. Contrasted with syllable-timed.In other languages, which are not stress-timed the stress would fall more equally on each word and syllable....
- There is not total agreement among linguists about the stress-timed nature of English.
- Therefore some researchers argue for a distinction between stress-timed languages and syllable-timed languages.