segmental

1. Of or relating to segments.
2. Divided or organized into segments.
3. Architecture. Of or being an arch whose profile constitutes a segment of a circle with its center below the springing line.

Pertaining to a segment or to segmentation. See also segmental aplasia, axonopathy, cerebellar atrophy, myelitis.

The adjective has 2 meanings:

Meaning #1: (linguistics) divided or organized into speech segments or isolable speech sounds

Meaning #2: (zoology) having the body divided into successive metameres or segments, as in earthworms or lobsters
  Synonyms: metameric, segmented