noun / verb
segment
SEG-munt/ˈseɡmənt/
A distinct part of a whole, or to divide a whole into such parts.
One orange segment lies beside the peeled fruit.

Etymology
Latin segmentum named a strip or piece cut off. The meaning broadened from a physically cut piece to any section marked as separate within a larger whole.
In context
… segment 28 heading into Durango was the last part of this whole Adventure is about 26 mil long
More examples
- She segmented the audience into groups.
- Several segments remained.
- They are segmenting the data.
Forms
segment · segments · segmented · segmenting
segmentation noun — division into distinct parts