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单词 goethite
释义

goethite

noun

goe·​thite ˈgər-ˌtīt How to pronounce goethite (audio)
ˈgə-
: a common brown mineral that consists of an iron hydrogen oxide and is the commonest constituent of many forms of natural rust

Example Sentences

Recent Examples on the Web But a range of other rocks appear in the archaeological record, from the yellow ochre goethite to the often-dramatic specular hematite, sometimes called specularite. Gemma Tarlach, Discover Magazine, 23 Mar. 2018 To complicate matters even more, when heated to at least 480 degrees Fahrenheit, yellow ochre’s crystal structure changes and the goethite can transform into hematite, or red ochre. Gemma Tarlach, Discover Magazine, 23 Mar. 2018

Word History

Etymology

German Göthit, from J. W. von Goethe

First Known Use

circa 1823, in the meaning defined above

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更新时间:2025/2/3 19:25:07