centripetal

adjectives

tending to move toward a center
"centripetal force"
antonym
is similar to
toward an axis, as in a sunflower; the oldest flowers are near the edge, the youngest in the center
is similar to
moving or directed toward the center or axis, especially when spinning or traveling in a curve
tending to unify
of a nerve fiber or impulse originating outside and passing toward the central nervous system
"sensory neurons"