- annularity
- annular junction
- annular nebula
- annular pancreas
- annular phase
- annular region
- annular solar eclipse
- annular surface
- annular-total eclipse
- annular vessel
- annulate
- annulated
- annulated sea snake
- annulation
- annulations
- annulator
- annulene
- annuli
- annulus
- annulus conjecture
- annulus theorem
- annum
- Annunciation
- Annunciation and Nativity
- annunciator