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

Suprasegmental phonology
Segmental and suprasegmental mismatch in lexical access.
Introducing Phonetic Science: Suprasegmentals
Sublexical Units and Suprasegmental Structure in Speech Production Planning
Language identification with suprasegmental cues: a study based on speech resynthesis
Emerging Integration of Sequential and Suprasegmental Information in Preverbal Speech Segmentation
Combining evidence from source, suprasegmental and spectral features for a fixed-text speaker verification system
On the perceptual strength of prosodic boundaries and its relation to suprasegmental cues
Primary Stress and Intelligibility: Research to Motivate the Teaching of Suprasegmentals
Correlative histochemical study of skeletal muscle after suprasegmental denervation, peripheral nerve section, and skeletal fixation