英语词汇“osar”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

osar

释义

osar Geol.|ˈəʊsɑː(r)|
[ad. Sw. åsar, pl. of ås ridge (of a roof or hill), a ‘rigg’ or long hill ridge of uniform height. In Eng. use sometimes os, pl. osar, but usually osar as sing., with pl. osars.]
A term for certain narrow ridges or mounds of gravel which occur in glaciated regions, the actual origin of which has not been precisely explained.
They are essentially the same as the kames of Scotland and the eskars of Ireland; but they are often much elongated, some examples in Sweden being more than a hundred miles in length. Some American geologists restrict the term to these very elongated and special forms.
1854H. Miller Sch. & Schm. xix. (1857) 429 There is a wonderful group of what are now termed osars, in the immediate neighbourhood of Inverness... As all, or almost all, the shells of the boulder clay are of species that still live, we may infer that the mysterious osars were formed not very long ere the introduction [of man] upon our planet.1889F. G. Wright Ice Age N. Amer. 479 Osars and kames, whose conditions of formation were exceptional.

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