imperforationn.

Brit.

/ɪmˌpəːfəˈreɪʃn/, U.S.

/ᵻmˌpərfəˈreɪʃ(ə)n/

Origin: Formed within English, by derivation. Etymons: im- prefix², perforation n.

Etymology: < im- prefix² + perforation n. Compare slightly earlier imperforated adj.Compare French imperforation (1611 in Cotgrave), post-classical Latin imperforatio (1642 or earlier in medical use).

Chiefly Medicine and Surgery. Now rare.

The condition of lacking a hole or opening; spec. (with reference to a part of the body) the condition of lacking a normal or functional orifice or an open channel (cf. imperforate adj. 1); an instance or case of this.Now usually called atresia.

ΘΚΠ

the world > space > relative position > closed or shut condition > [noun] > not porous or perforated

imporosity1626

imperforation1656

1656 T. Blount Glossographia Imperforation, a closing or shutting up for want of boring or piercing.

1687 Chirurgorum Comes vi. iii. 521 (heading) Of Imperforation of the Hymen.

1729 J. Douglas tr. S. Morand Diss. High Operation Stone 141 Of the Imperforations of the Penis.

1784 M. Underwood Treat. Dis. Children 203 Imperforations of the anus and urethra, or the vagina in females.

1822 J. M. Good Study Med. III. 252 Where the cause [of deafness] is an imperforation of either of the passages.

1867 Brit. Med. Jrnl. 12 Jan. 22/2 Cases of simple imperforation of the anus, he observed, are of pretty frequent occurrence.

1899 Brit. Med. Jrnl. 15 Apr. 890/2 It also falls within the province of obstetrics to examine the newborn for fractures, dislocations, and imperforations.

1922 Proc. Internat. Congr. Ophthalmol. 650 Congenital and acquired strictures, imperforations and other conditions are encountered and the use of the lacrimal probe may be indicated.

1995 Victorian Stud. 38 348 Amenorrhoea..could just as well signal a genuine woman beset by imperforation of the vagina or congenital absence of the uterus.

This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022).

单词	imperforation
释义	imperforationn. Brit. /ɪmˌpəːfəˈreɪʃn/, U.S. /ᵻmˌpərfəˈreɪʃ(ə)n/ Origin: Formed within English, by derivation. Etymons: im- prefix², perforation n. Etymology: < im- prefix² + perforation n. Compare slightly earlier imperforated adj.Compare French imperforation (1611 in Cotgrave), post-classical Latin imperforatio (1642 or earlier in medical use). Chiefly Medicine and Surgery. Now rare. The condition of lacking a hole or opening; spec. (with reference to a part of the body) the condition of lacking a normal or functional orifice or an open channel (cf. imperforate adj. 1); an instance or case of this.Now usually called atresia. ΘΚΠ the world > space > relative position > closed or shut condition > [noun] > not porous or perforated imporosity1626 imperforation1656 1656 T. Blount Glossographia Imperforation, a closing or shutting up for want of boring or piercing. 1687 Chirurgorum Comes vi. iii. 521 (heading) Of Imperforation of the Hymen. 1729 J. Douglas tr. S. Morand Diss. High Operation Stone 141 Of the Imperforations of the Penis. 1784 M. Underwood Treat. Dis. Children 203 Imperforations of the anus and urethra, or the vagina in females. 1822 J. M. Good Study Med. III. 252 Where the cause [of deafness] is an imperforation of either of the passages. 1867 Brit. Med. Jrnl. 12 Jan. 22/2 Cases of simple imperforation of the anus, he observed, are of pretty frequent occurrence. 1899 Brit. Med. Jrnl. 15 Apr. 890/2 It also falls within the province of obstetrics to examine the newborn for fractures, dislocations, and imperforations. 1922 Proc. Internat. Congr. Ophthalmol. 650 Congenital and acquired strictures, imperforations and other conditions are encountered and the use of the lacrimal probe may be indicated. 1995 Victorian Stud. 38 348 Amenorrhoea..could just as well signal a genuine woman beset by imperforation of the vagina or congenital absence of the uterus. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022). < n.1656
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