atrium /äˈ or āˈtri-əm or -ŭm/

1. The entrance hall or chief apartment of an ancient Roman house
2. A church forecourt or vestibule
3. A central courtyard (architecture)
4. A cavity or entrance (zoology and anatomy)
5. Specif either of the two upper cavities of the heart into which blood passes from the veins

• isocheimal
• isocheimenal
• isocheimic
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• isochor
• isochore
• isochores
• isochoric
• isochors
• isochromatic
• isochronal
• isochronally
• isochrone
• isochrones
• isochronise
• isochronised
• isochronises
• isochronising
• isochronism
• isochronisms
• isochronize
• isochronized