goe·​thite | \ ˈgər-ˌtīt How to pronounce goethite (audio) , ˈgə- \

Definition of goethite

: a common brown mineral that consists of an iron hydrogen oxide and is the commonest constituent of many forms of natural rust

Examples of goethite in a Sentence

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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'goethite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of goethite

circa 1823, in the meaning defined above

History and Etymology for goethite

German Göthit, from J. W. von Goethe

Learn More About goethite

Time Traveler for goethite

Time Traveler

The first known use of goethite was circa 1823

See more words from the same year

Dictionary Entries Near goethite




See More Nearby Entries 

Statistics for goethite

Cite this Entry

“Goethite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/goethite. Accessed 24 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on goethite

Britannica.com: Encyclopedia article about goethite


Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!