imperforatedadj.

Brit.

/ɪmˈpəːfəreɪtᵻd/, U.S.

/ᵻmˈpərfəˌreɪdᵻd/

Etymology: < im- prefix² + perforated adj. Compare earlier unperforated adj. and slightly later imperforate adj.

1. Medicine and Surgery. Of a part of the body: lacking a normal or functional orifice or an open channel; (of a person or animal) †having such a part (obsolete); = imperforate adj. 1. Now rare.

ΘΚΠ

the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > imperforated

imperforated1650

imperforate1739

1650 J. Bulwer Anthropometamorphosis xx. 224 Certainly these Nations would have been well pleased if Nature had produced all their Females imperforated, and the Orifice of their wombes cloas'd and seal'd up.

1678 J. Browne Compl. Treat. Preternatural Tumours 19 Is not the Penis, the proper instrument of generation,..beset with Ulcers, Caruncles, venereous and malign ulcers, whilst sometimes it is seen to have an imperforated Glans.

1719 tr. P. Dionis Gen. Treat. Midwifery v. vi. 311 Some authors tell us that the Fundament may be clos'd two ways: Either naturally, when the Child comes into the World with it imperforated; or accidentally.

1841 Prov. Med. & Surg. Jrnl. 15 May 124/2 This is, perhaps, best demonstrated in those cases where the hymen is unperforated, and the menses accumulated.

1983 Physiol. Zool. 56 510/2 One of these females [sc. mice] exhibited an imperforated vaginal orifice.

2005 Daily Herald (Chicago) 18 Sept. (Northwest Focus ed.) v. 3/4 At four weeks, he underwent still another surgery to repair his imperforated anus.

a. Lacking a hole or holes; not pierced with a hole or holes; = imperforate adj. 2a.

ΚΠ

1663 G. Harvey Archelogia Philosophica Nova II. ii. xviii. 386 In fine there is nothing that is imperforated by pores, except water and air in their absolute state.

1798 R. Saumarez New Syst. Physiol. II. ix. 319 The animal matter which was in the perforated tube was dissolved, whilst that which the imperforated one contained, had gone little or no alteration.

1850 Sci. Amer. 8 June 300/2 These perforated cylinder curbs are found to be superior to the unperforated curbs, on account of their admitting the air to the cylinder more freely.

1910 Archaeol. Bull. Dec. 10 Two hundred and two shell beads of various shapes and sized, one spear and two arrow points of blue flint, one unperforated shell disk.

1952 Plains Archeol. Conf. News Let. 5 41 Handles are of three types, loop or narrow strap, vertically perforated lugs, and imperforated lugs.

2008 Amer. Fern Jrnl. 98 63 Tracheary cells with imperforated facets..were also observed.

†b. Conchology. Of a coiled shell: lacking an umbilicus (rounded hollow in the base of the shell); not umbilicated; = imperforate adj. 2b. Obsolete.

ΚΠ

1799 E. Donovan Nat. Hist. Brit. Shells I. Pl. VIII It may be a small variety of the Trochus Zizyphinus, because, like that species, it is imperforated.

1851 S. P. Woodward Man. Mollusca i. 83 A..suggestion with respect to the nautili; namely, that the umbilicated specimens are the males, the imperforated shells, females.

1910 H. A. Pilsbry Man. Conchol. XX. 220 Shell imperforated or very narrowly compressly umbilicated.

3. Philately. Of a postage stamp: taken from a sheet in which the individual stamps are not separated by rows of perforations, and hence not having perforated edges; (of a sheet of stamps) lacking perforations; = imperforate adj. 3.

ΘΚΠ

society > communication > correspondence > postal services > payment for postage > [adjective] > perforated > not

imperforate1868

imperforated1868

imperf.1869

1868 Routledge's Mag. for Boys Mar. 10/1 Argentine Republic.—There are two varieties of the 5 centavos of the 1864 issue..; the former perforated, the latter imperforated.

1895 Times 2 Feb. 12/4 Ceylon.—4d. [postage stamp], rose, imperforated and unused, £130.

1911 Philatelic Gaz. Sept. 18/1 Plate proofs on ordinary paper, imperforated, of the 3 cents; trial colors; light blue (pair), blue, green.

1940 Washington Post 25 Aug. vi. 12/4 Secretary of the Interior Harold L. Ickes has in his possession gummed stamps of the special imperforated ungummed National Park issue.

2008 J. Child Miniature Messages ii. 51 The total number of Olympic stamps and souvenir sheets..was 170, divided up as follows: 88 perforated stamps, 48 imperforated stamps, 17 imperforated souvenir sheets, and 17 other souvenirs.

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

单词	imperforated
释义	imperforatedadj. Brit. /ɪmˈpəːfəreɪtᵻd/, U.S. /ᵻmˈpərfəˌreɪdᵻd/ Etymology: < im- prefix² + perforated adj. Compare earlier unperforated adj. and slightly later imperforate adj. 1. Medicine and Surgery. Of a part of the body: lacking a normal or functional orifice or an open channel; (of a person or animal) †having such a part (obsolete); = imperforate adj. 1. Now rare. ΘΚΠ the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > imperforated imperforated1650 imperforate1739 1650 J. Bulwer Anthropometamorphosis xx. 224 Certainly these Nations would have been well pleased if Nature had produced all their Females imperforated, and the Orifice of their wombes cloas'd and seal'd up. 1678 J. Browne Compl. Treat. Preternatural Tumours 19 Is not the Penis, the proper instrument of generation,..beset with Ulcers, Caruncles, venereous and malign ulcers, whilst sometimes it is seen to have an imperforated Glans. 1719 tr. P. Dionis Gen. Treat. Midwifery v. vi. 311 Some authors tell us that the Fundament may be clos'd two ways: Either naturally, when the Child comes into the World with it imperforated; or accidentally. 1841 Prov. Med. & Surg. Jrnl. 15 May 124/2 This is, perhaps, best demonstrated in those cases where the hymen is unperforated, and the menses accumulated. 1983 Physiol. Zool. 56 510/2 One of these females [sc. mice] exhibited an imperforated vaginal orifice. 2005 Daily Herald (Chicago) 18 Sept. (Northwest Focus ed.) v. 3/4 At four weeks, he underwent still another surgery to repair his imperforated anus. 2. a. Lacking a hole or holes; not pierced with a hole or holes; = imperforate adj. 2a. ΚΠ 1663 G. Harvey Archelogia Philosophica Nova II. ii. xviii. 386 In fine there is nothing that is imperforated by pores, except water and air in their absolute state. 1798 R. Saumarez New Syst. Physiol. II. ix. 319 The animal matter which was in the perforated tube was dissolved, whilst that which the imperforated one contained, had gone little or no alteration. 1850 Sci. Amer. 8 June 300/2 These perforated cylinder curbs are found to be superior to the unperforated curbs, on account of their admitting the air to the cylinder more freely. 1910 Archaeol. Bull. Dec. 10 Two hundred and two shell beads of various shapes and sized, one spear and two arrow points of blue flint, one unperforated shell disk. 1952 Plains Archeol. Conf. News Let. 5 41 Handles are of three types, loop or narrow strap, vertically perforated lugs, and imperforated lugs. 2008 Amer. Fern Jrnl. 98 63 Tracheary cells with imperforated facets..were also observed. †b. Conchology. Of a coiled shell: lacking an umbilicus (rounded hollow in the base of the shell); not umbilicated; = imperforate adj. 2b. Obsolete. ΚΠ 1799 E. Donovan Nat. Hist. Brit. Shells I. Pl. VIII It may be a small variety of the Trochus Zizyphinus, because, like that species, it is imperforated. 1851 S. P. Woodward Man. Mollusca i. 83 A..suggestion with respect to the nautili; namely, that the umbilicated specimens are the males, the imperforated shells, females. 1910 H. A. Pilsbry Man. Conchol. XX. 220 Shell imperforated or very narrowly compressly umbilicated. 3. Philately. Of a postage stamp: taken from a sheet in which the individual stamps are not separated by rows of perforations, and hence not having perforated edges; (of a sheet of stamps) lacking perforations; = imperforate adj. 3. ΘΚΠ society > communication > correspondence > postal services > payment for postage > [adjective] > perforated > not imperforate1868 imperforated1868 imperf.1869 1868 Routledge's Mag. for Boys Mar. 10/1 Argentine Republic.—There are two varieties of the 5 centavos of the 1864 issue..; the former perforated, the latter imperforated. 1895 Times 2 Feb. 12/4 Ceylon.—4d. [postage stamp], rose, imperforated and unused, £130. 1911 Philatelic Gaz. Sept. 18/1 Plate proofs on ordinary paper, imperforated, of the 3 cents; trial colors; light blue (pair), blue, green. 1940 Washington Post 25 Aug. vi. 12/4 Secretary of the Interior Harold L. Ickes has in his possession gummed stamps of the special imperforated ungummed National Park issue. 2008 J. Child Miniature Messages ii. 51 The total number of Olympic stamps and souvenir sheets..was 170, divided up as follows: 88 perforated stamps, 48 imperforated stamps, 17 imperforated souvenir sheets, and 17 other souvenirs. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022). < adj.1650
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