segmentalPronunciation: /sɛgˈmɛnt(ə)l/Definition of segmental adjective 1consisting of or divided into segments. Phonetics denoting or relating to the division of speech into segments. 2 Architecture having the form of an arch of which the curved part forms a shallow arc of a circle, less than a semicircle. Derivatives segmentalizationPronunciation: /-ˌmɛnt(ə)lʌɪˈzeɪʃ(ə)n/ noun segmentalizePronunciation: /-ˈmɛnt(ə)lʌɪz/ (also segmentalise) verb segmentally adverb segmental in other Oxford dictionaries Definition of segmental in the US English dictionary