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单词 downwarping
释义

downwarpingn.

Brit. /ˈdaʊnwɔːpɪŋ/, U.S. /ˈdaʊnˌwɔrpɪŋ/
Origin: Formed within English, by derivation. Etymons: down- prefix, warp v., -ing suffix1.
Etymology: < down- prefix + warp v. + -ing suffix1. Compare later downwarp n., downwarp v. Compare also upwarp n.
Geology.
The sinking of a part of the earth's surface to form a broad depression. Contrasted with upwarping n. at upwarp n. Derivatives.
ΚΠ
1895 Bull. Geol. Soc. Amer. 6 158 Hudsons bay and the strait which connects it with the Atlantic has a form which is not readily to be explained by the hypothesis of local downwarping, but is better accounted for on the supposition that it is a flooded basin.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation v. 108 Local downwarping or uplift can lead rivers to reverse their courses either completely or in part.
2005 J. Nott in E. Bermingham et al. Trop. Rainforests xvii. 328 If downwarping occurred during the Tertiary, or at any time after the Triassic, these strata would also dip toward the coast.
This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).
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n.1895
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