1. in the manner of or relating to an annulus or ring shape; in a ring-like or circular form
Usage: technical; formal

Examples

• The eclipse appeared annularly when the Moon's shadow formed a ring around the Sun.
• The fibers were arranged annularly around the central core.
• The data was distributed annularly across the disk surface.
• The structure expanded annularly from the center outward.
• The pattern repeated annularly in concentric rings.