One who, or that which, annuls.

The quality of being annullable.

Alternative form of annullability

plural of annulate

plural of annulling

(organic chemistry) Describing two rings that are joined, via a single atom, to form a spiro compound.

A small ring. / (architecture) A ring-shaped molding at the top of a column. / (heraldry) A small circle borne as a charge in coats of arms.

(organic chemistry) Any carbene derived from an odd-numbered annulene by conversion of the CH₂ group to C:

(organic chemistry) Any monocyclic hydrocarbon, of general formula CₙHₙ (where n is even), or CₙHₙ₊₁ (where n is odd).

plural of annulene