obductv.

Brit.

/əbˈdʌkt/, U.S.

/əbˈdək(t)/

Origin: A borrowing from Latin. Etymons: Latin obduct-, obdūcere.

Etymology: < classical Latin obduct-, past participial stem of obdūcere obduce v. Compare earlier obduction n.With sense 2 compare subduct v. 5.

†1. transitive. To cover, envelop. Cf. obduce v. 1. Obsolete.

ΘΚΠ

the world > space > relative position > condition of being external > covering > cover [verb (transitive)] > form or act as covering for

bredeOE

thatchc1000

wryOE

umhilla1340

coverc1340

curea1400

overmantle1591

obduct1623

overface1632

obduce1657

cap1735

1623 H. Cockeram Eng. Dict. Obduct, to couer.

1646 Sir T. Browne Pseudodoxia Epidemica iv. v. 188 When the Liver is..so obducted and covered with thick skins, that it cannot diffuse its virtue.

2. transitive. Geology. To cause to undergo obduction. Usually in passive.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > tectonize [verb (transitive)] > movement of lithospheric plates

suture1886

subduct1970

obduct1971

1971 R. G. Coleman in Jrnl. Geophysical Res. 76 1216/2 Parts of the oceanic crust have been overthrust (obducted) onto thin continental edges.

1974 Nature 1 Mar. 20 Sept. 259/1 With the development of actual collision between continental blocks a period of tectogenesis and orogenesis (uplift) results in F₃ flexuring of the subducted lithosphere, slivers of which are consequently overthrust (obducted) on to the ‘active’ continental block.

1982 Sci. Amer. Aug. 108/1 Less than .001 percent of all oceanic crust has been obducted and remains on dry land.

1996 Science 15 Mar. 1508/2 Processes there have to be reconstructed from fossil systems preserved in..fragments of sea floor..that have been obducted on land during tectonic collisions.

Derivatives

obˈducted adj.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [adjective] > movement of lithospheric plates

subducted1971

subducting1971

subductive1972

obducted1974

1974 Nature 1 Mar. 38/2 The ophiolites of west Newfoundland and the Burlington Peninsula represent obducted oceanic lithosphere.

1995 Jrnl. Biogeogr. 21 629/2 The ultramafics were emplaced as an obducted slice of ocean floor in the Late Ecoene.

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

单词	obduct
释义	obductv. Brit. /əbˈdʌkt/, U.S. /əbˈdək(t)/ Origin: A borrowing from Latin. Etymons: Latin obduct-, obdūcere. Etymology: < classical Latin obduct-, past participial stem of obdūcere obduce v. Compare earlier obduction n.With sense 2 compare subduct v. 5. †1. transitive. To cover, envelop. Cf. obduce v. 1. Obsolete. ΘΚΠ the world > space > relative position > condition of being external > covering > cover [verb (transitive)] > form or act as covering for bredeOE thatchc1000 wryOE umhilla1340 coverc1340 curea1400 overmantle1591 obduct1623 overface1632 obduce1657 cap1735 1623 H. Cockeram Eng. Dict. Obduct, to couer. 1646 Sir T. Browne Pseudodoxia Epidemica iv. v. 188 When the Liver is..so obducted and covered with thick skins, that it cannot diffuse its virtue. View more context for this quotation 2. transitive. Geology. To cause to undergo obduction. Usually in passive. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > tectonize [verb (transitive)] > movement of lithospheric plates suture1886 subduct1970 obduct1971 1971 R. G. Coleman in Jrnl. Geophysical Res. 76 1216/2 Parts of the oceanic crust have been overthrust (obducted) onto thin continental edges. 1974 Nature 1 Mar. 20 Sept. 259/1 With the development of actual collision between continental blocks a period of tectogenesis and orogenesis (uplift) results in F₃ flexuring of the subducted lithosphere, slivers of which are consequently overthrust (obducted) on to the ‘active’ continental block. 1982 Sci. Amer. Aug. 108/1 Less than .001 percent of all oceanic crust has been obducted and remains on dry land. 1996 Science 15 Mar. 1508/2 Processes there have to be reconstructed from fossil systems preserved in..fragments of sea floor..that have been obducted on land during tectonic collisions. Derivatives obˈducted adj. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [adjective] > movement of lithospheric plates subducted1971 subducting1971 subductive1972 obducted1974 1974 Nature 1 Mar. 38/2 The ophiolites of west Newfoundland and the Burlington Peninsula represent obducted oceanic lithosphere. 1995 Jrnl. Biogeogr. 21 629/2 The ultramafics were emplaced as an obducted slice of ocean floor in the Late Ecoene. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < v.1623
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