1. Shaped like a ring
   - annular, annulate, annulated, ringed, ring-shaped, doughnut-shaped

See also: rounded

• acrophobia
• acrophobic
• acrophony
• acropolis
• Acropora
• acroscopic
• acrosome
• across
• across the country
• across the nation
• across-the-board
• acrostic
• Acrostichum
• Acrostichum aureum
• acrotic
• acrylamide
• acrylate
• acrylate resin
• acrylic
• acrylic acid
• acrylic fiber
• acrylic paint
• acrylic resin
• acrylonitrile
• acrylonitrile-butadiene-styrene