adjective

annular

AN-yuh-ler/ˈænjələr/

Shaped like a ring.

The annular brass washer has a broad band around an open center.

A single broad, flat brass washer viewed almost straight on, with a clearly open circular center and an even-width circular band, making its ring shape immediately visible.
Etymology

The adjective describes something with the outline of a ring. In an annular eclipse, for example, the visible sun forms a ring around the moon.

In context

History Hit11:26
These like the finished version >> there are in that complete annular form. That means that they could be worn around the wrist
The Greatest Archaeological Discoveries and Artefacts of Recent Years | Full Series

More examples

  • An annular pattern forms a complete circle around the stain.
  • The photograph captures an annular solar eclipse.
  • The engineer specifies an annular seal for the joint.

Similar words

circular
Can describe a solid disk rather than a ring.
ring-shaped
The direct plain-English equivalent of the technical adjective.