pinch-outn.

Brit.

/ˈpɪn(t)ʃaʊt/, U.S.

/ˈpɪn(t)ʃˌaʊt/

Origin: Formed within English, by conversion. Etymon: to pinch out at pinch v. 14c.

Etymology: < to pinch out at pinch v. 14c.

Geology and Mining.

A gradual thinning of a stratum, vein, etc., to the point of extinction. Cf. pinching n. Compounds.

ΘΚΠ

the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > position or direction of strata > narrowing

wedging1819

pinch and swell1916

lensing1923

pinch-out1928

1928 Funk & Wagnalls New Standard Dict. Eng. Lang. at Pinch n. P[inch]-out, n., Mining. Same as pinch, n., 6.

1941 Bull. Amer. Assoc. Petroleum Geologists 25 1258 A pinch-out of a reservoir sand on a structural nose would..be considered a stratigraphic trap of a less perfect type.

1974 P. L. Moore et al. Drilling Pract. Man. xii. 300 These permeability barriers may be faults, folds, salt domes, or permeability pinchouts.

1994 Appl. Statistics 43 386 The point at which the sandy reservoir effectively ceases to exist is called the reservoir ‘pinch-out’.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	pinch-out
释义	pinch-outn. Brit. /ˈpɪn(t)ʃaʊt/, U.S. /ˈpɪn(t)ʃˌaʊt/ Origin: Formed within English, by conversion. Etymon: to pinch out at pinch v. 14c. Etymology: < to pinch out at pinch v. 14c. Geology and Mining. A gradual thinning of a stratum, vein, etc., to the point of extinction. Cf. pinching n. Compounds. ΘΚΠ the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > position or direction of strata > narrowing wedging1819 pinch and swell1916 lensing1923 pinch-out1928 1928 Funk & Wagnalls New Standard Dict. Eng. Lang. at Pinch n. P[inch]-out, n., Mining. Same as pinch, n., 6. 1941 Bull. Amer. Assoc. Petroleum Geologists 25 1258 A pinch-out of a reservoir sand on a structural nose would..be considered a stratigraphic trap of a less perfect type. 1974 P. L. Moore et al. Drilling Pract. Man. xii. 300 These permeability barriers may be faults, folds, salt domes, or permeability pinchouts. 1994 Appl. Statistics 43 386 The point at which the sandy reservoir effectively ceases to exist is called the reservoir ‘pinch-out’. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1928
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