ˌsupɹəˌsɛɡˈmɛntl̩

pertaining to a feature of speech that extends over more than a single speech sound

A vocal effect that extends over more than one sound segment in an utterance, such as pitch, stress, or juncture pattern.

The cues of language that come from pitch, intensity and durational differences in the pattern of speech. Suprasegmentals are what allow an English speaker to recognize the inflection of a question, even though the question is asked in another language.