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单词 dripstone
释义

dripstone

/ˈdrɪpstəʊn /
noun
1 Architecture A moulding over a door or window which deflects rain.Exterior features of the house are a steeply pitched roof, large gables and architectural details such as the ornamental dripstones above the windows....
  • An inspection of this end shows it to be pierced by three plain lancet windows with no dripstone.
  • The upper stage is relieved by a pointed window, of two lights, on each side, the dripstone of each terminating in heads.
2 [mass noun] Geology Rock deposited by precipitation from dripping water, such as that which forms stalactites and stalagmites.The designs on the lower part of the structure are somewhat formal, but the upper part is a free-form mix of geodes, dripstone, and what appear to be inverted stalactites....
  • This is the start of the area known as the Cones, a unique group of rock formations the origin of which is hotly debated, as they do not seem to be associated with conventional dripstone.
  • Where the deposition of calcite is concentrated along cracks, calcite is deposited as flowstone, or dripstone.
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更新时间:2024/11/14 4:34:44