obturatingadj.

Brit.

/ˈɒbtjᵿreɪtɪŋ/,

/ˈɒbtʃᵿreɪtɪŋ/, U.S.

/ˈɑbt(j)əˌreɪdɪŋ/

Origin: Formed within English, by derivation. Etymons: obturate v., -ing suffix².

Etymology: < obturate v. + -ing suffix². Compare earlier obturation n.

Firearms and Gunnery.

1. That seals up the breech of a gun.

ΘΚΠ

the world > space > relative position > closed or shut condition > [adjective] > stopping up or blocking

thorter1533

obturant1572

obstructive1611

occludent1851

obturating1884

occlusive1888

occluding1899

1884 S. V. Benet in Rep. Chief of Ordnance 18 Three forms of an obturating primer have been manufactured recently at the Frankfort arsenal.

1899 N. Amer. Rev. Feb. 153 In order to obviate this trouble we have provided the projectiles with what might be termed an obturating band; that is, just behind the copper driving band we have placed a semi-plastic gas check.

1953 Mil. Affairs 17 205/2 Some modern artillery still uses separately-loading ammunition, with an obturating breech.

2. Medicine and Dentistry. That blocks or closes; (Dentistry) used in the filling of root canals.

ΚΠ

1978 Jrnl. Royal Soc. Med. 71 233 (title) Obturating balloon colostomy.

1979 Jrnl. Endodontics 5 145 (title) Evaluation of standardized root canal instruments and obturating points.

1987 Oral Surg., Oral Med. & Oral Pathol. 63 606 The importance of decontaminating the gutta-percha cones before their placement as an obturating agent in a root canal system has been advocated.

2002 Ann. Plastic Surg. 48 464 A superiorly based obturating pharyngeal flap.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	obturating
释义	obturatingadj. Brit. /ˈɒbtjᵿreɪtɪŋ/, /ˈɒbtʃᵿreɪtɪŋ/, U.S. /ˈɑbt(j)əˌreɪdɪŋ/ Origin: Formed within English, by derivation. Etymons: obturate v., -ing suffix². Etymology: < obturate v. + -ing suffix². Compare earlier obturation n. Firearms and Gunnery. 1. That seals up the breech of a gun. ΘΚΠ the world > space > relative position > closed or shut condition > [adjective] > stopping up or blocking thorter1533 obturant1572 obstructive1611 occludent1851 obturating1884 occlusive1888 occluding1899 1884 S. V. Benet in Rep. Chief of Ordnance 18 Three forms of an obturating primer have been manufactured recently at the Frankfort arsenal. 1899 N. Amer. Rev. Feb. 153 In order to obviate this trouble we have provided the projectiles with what might be termed an obturating band; that is, just behind the copper driving band we have placed a semi-plastic gas check. 1953 Mil. Affairs 17 205/2 Some modern artillery still uses separately-loading ammunition, with an obturating breech. 2. Medicine and Dentistry. That blocks or closes; (Dentistry) used in the filling of root canals. ΚΠ 1978 Jrnl. Royal Soc. Med. 71 233 (title) Obturating balloon colostomy. 1979 Jrnl. Endodontics 5 145 (title) Evaluation of standardized root canal instruments and obturating points. 1987 Oral Surg., Oral Med. & Oral Pathol. 63 606 The importance of decontaminating the gutta-percha cones before their placement as an obturating agent in a root canal system has been advocated. 2002 Ann. Plastic Surg. 48 464 A superiorly based obturating pharyngeal flap. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < adj.1884
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