V2EX sedimentation

Sedimentation

定义 Definition

名词 (n.) 沉积(作用);沉淀(过程)。指固体颗粒在液体或气体中因重力作用而逐渐下沉并堆积的自然过程。常用于地质学、化学和医学等领域。

发音 Pronunciation

/sdmnten/

例句 Examples

The sedimentation of sand formed a new layer at the bottom of the river.
沙子的沉积在河底形成了新的一层。

Over millions of years, sedimentation gradually transformed the ancient seabed into the layered rock formations we see in the canyon walls today.
经过数百万年的沉积作用,古老的海床逐渐转变为我们今天在峡谷壁上看到的层状岩层。

词源 Etymology

该词源自拉丁语 sedimentum,意为"沉降、沉淀之物",由动词 sedēre(坐下、沉下)派生而来。后缀 -ation 表示"过程、行为"。整个词的含义即"沉降堆积的过程"。该词在17世纪进入英语,最初主要用于描述自然界中泥沙沉积的地质现象,后来扩展到化学和医学领域。

相关词汇 Related Words

文学与著作引用 Literary References

  • 查尔斯莱尔(Charles Lyell)的地质学经典著作《地质学原理》(Principles of Geology, 1830)中大量讨论了 sedimentation 的过程,奠定了现代地质学的基础。
  • 雷切尔卡森(Rachel Carson)在《我们周围的海洋》(The Sea Around Us, 1951)中描写了海洋中的沉积作用如何塑造海底地貌。
  • 该词也常见于科学期刊和教科书中,例如在讨论"sedimentation rate"(沉降速率)时,广泛出现在地球科学和环境科学文献中。
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