Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
However, new analysis of spacecraft observations along with laboratory techniques suggests that Mars’ red color is better matched by iron oxides containing water, known as ferrihydrite.—Doyle Rice, USA TODAY, 26 Feb. 2025 However, not all iron oxides are the same, so experts have long debated the precise nature of Martian rust.—Victoria Corless, Space.com, 25 Feb. 2025 Because of the absence of liquid water on Mars’s surface today, those rusty red minerals were thought to arise from dry iron oxides present in the dust, such as hematite.—Doyle Rice, USA TODAY, 26 Feb. 2025 The scientists decided that the planet’s red color more closely matches that of iron oxides containing water, called ferrihydrite.—Paul Smaglik, Discover Magazine, 25 Feb. 2025 See All Example Sentences for iron oxide
Share