1. Of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart)

See also: atrium

Encyclopedia: Atrial

• ambler
• Ambloplites
• Ambloplites rupestris
• amblygonite
• amblyopia
• amblyopic
• Amblyrhynchus
• Amblyrhynchus cristatus
• ambo
• amboina pine
• amboyna
• amboyna pine
• Ambrogio Damiano Achille Ratti
• Ambrose
• Ambrose Bierce
• Ambrose Everett Burnside
• Ambrose Gwinett Bierce
• ambrosia
• Ambrosia artemisiifolia
• Ambrosia psilostachya
• Ambrosia trifida
• Ambrosiaceae
• ambrosial
• ambrosian
• ambulacral