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单词 laccolithic
释义

laccolithicadj.

Brit. /ˌlakəˈlɪθɪk/, U.S. /ˌlækəˈlɪθɪk/
Origin: Formed within English, by derivation. Etymons: laccolith n., -ic suffix.
Etymology: < laccolith n. + -ic suffix. Compare earlier laccolitic adj.
Geology.
Of, relating to, or of the nature of a laccolith.
ΚΠ
1886 Proc. Colorado Sci. Soc. 2 ii. 225 The great laccolithic bodies of this region expanded to their present form altogether in the soft beds of the Marine Cretaceous.
1952 W. J. Miller Introd. Hist. Geol. (ed. 6) xxiii. 398 Mention should be made of the fine exhibition of the Tertiary laccolithic intrusions in the plateau region of southeastern Utah.
1999 T. Román-Berdiel in A. Castro et al. Understanding Granites 78/1 Many granitoid plutons that are emplaced at rather shallow crustal levels are commonly laccolithic or tabular in shape.
This entry has been updated (OED Third Edition, March 2017; most recently modified version published online March 2022).
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adj.1886
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