Having an annular form or shape. / (botany) Describes a fern sporangium that has an annulus. / (mycology) Describes a mushroom with an annulus on the stipe.

(zoology) One of the Annulata.

Having rings / (organic chemistry) Composed of several fused rings

plural of annulate

plural of annulling

(transitive) To formally revoke the validity of. / (transitive) To dissolve (a marital union) on the grounds that it is not valid.

Third-person singular simple present indicative form of annul

present participle of annul

An annulment.

An act or instance of annulling. / The state of having been annulled. / (law) An invalidation of something, especially a legal contract.