axial
adj.adj. relating to an axis, which is a straight line that something turns around. In biology, it describes things located in the center of a body or plant.
adj. relating to, situated on, or forming an axis. In anatomical and botanical contexts, it refers to the central part of a structure, such as the trunk of a body or the main stem of a plant.
The wheel rotates around its axial center.
The axial skeleton includes the skull, vertebral column, and rib cage, forming the central core of the human body.
Engineers must calculate the axial load to ensure the central pillar can support the downward pressure of the entire roof without buckling under the stress.
From axis + -al.
Often used in technical contexts to distinguish central structures from peripheral or appendicular ones.