imperforation

noun

Roget 261: closure, occlusion, blockade; shutting up etc. v.; obstruction etc. (hindrance) 706; embolus; contraction etc. 195; infarction; constipation, obstipation^†; blind alley, blind corner; keddah^†; cul-de-sac, caecum; imperforation^†, imperviousness etc. adj.; impermeability; stopper etc. 263.    ... show more

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