atresia
at·re·sia
noun
Origin
From Latin atresia, from Ancient Greek ἀ- (a-, “not, without”) and τρῆσις (trêsis, “perforation”).
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.