atrial septal defect

1. 1.

   an abnormal opening between the left and right atria of the heart

   Broaderseptal defect

Questions about atrial septal defect

What does atrial septal defect mean?

atrial septal defect means "an abnormal opening between the left and right atria of the heart".

Is atrial septal defect a common word?

atrial septal defect is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.