annulate

Adjective

annulate (comparative more annulate, superlative most annulate)

1. Having an annular form or shape.
2. Describes a fern sporangium that has an annulus.
3. Describes a mushroom with an annulus on the stipe.

Noun

annulate (plural annulates)

1. One of the Annulata.

Verb

IPA/ˈænjəleɪt/

annulate (third-person singular simple present annulates, present participle annulating, simple past and past participle annulated)

1. (transitive) To cause (something) to undergo an annulation reaction (a reaction which forms a ring of atoms).
   • A conceptually different approach was undertaken by Schreiber and coworkers in which, rather than annulating the enediyne bridge onto a cyclohexane-type precursor, both rings were assembled in a single transformation, specifically an intramolecular Diels-Alder reaction (Scheme XII) (30).1995, Donald B. Borders, Terrence W. Doyle, editors, Enediyne Antibiotics as Antitumor Agents, New York, N.Y. […]: Marcel Dekker, Inc., →ISBN, page 393