: a usually massive iron-black mineral that consists of an oxide of iron and titanium and that is a major titanium ore

Examples of ilmenite in a Sentence

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Based on orbital observations, the researchers map out the areas where ilmenite is present at high enough concentrations for this approach to make sense. John Timmer, Ars Technica, 17 Feb. 2025 To get a sense of this, the researchers decided to focus on isolating oxygen from a mineral called ilmenite, or FeTiO3. John Timmer, Ars Technica, 17 Feb. 2025

Word History

Etymology

German Ilmenit, from Ilmen range, Ural Mountains, Russia

First Known Use

circa 1827, in the meaning defined above

Time Traveler
The first known use of ilmenite was circa 1827

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Cite this Entry

“Ilmenite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ilmenite. Accessed 23 Mar. 2025.

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