imperforation

• POS: Noun
• HYPHEN: im=per=fo=ra=tion

CIDE DICTIONARY

imperforation, n. [Cf. F. imperforation.].

 The state of being without perforation.  [1913 Webster]

ROGET THESAURUS

imperforation

Closure

N closure, occlusion, blockade, shutting up, obstruction, embolus, contraction, infarction, constipation, obstipation, blind alley, blind corner, keddah, cul-de-sac, caecum, imperforation, imperviousness, impermeability, stopper, closed, shut, operculated, unopened, unpierced, imporous, caecal, closable, imperforate, impervious, impermeable, impenetrable, impassable, unpassable, invious, pathless, wayless, untrodden, untrod, unventilated, air tight, water tight, hermetically sealed, tight, snug.