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iron oxide

American  
[ahy-ern ahks-ahyd] / ˈaɪ ərn ˈɑks aɪd /

noun

iron oxides plural
  1. an oxide of iron, especially ferric oxide.


iron oxide Scientific  
  1. Any of various oxides of iron, such as ferric oxide or ferrous oxide.


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Example Sentences

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Customs documents said the shipment carried iron oxide when it left the Balkan nation for Thailand.

From Barron's Feb. 4, 2026

Other human remains found elsewhere in Herculaneum had iron oxide deposits in the skull, suggesting that the fluids in the skull were vaporized by the heat, leaving only traces of degraded heme proteins.

From Salon Mar. 4, 2025

Charge-recharge cycling of lithium-superrich iron oxide, a cost-effective and high-capacity cathode for new-generation lithium-ion batteries, can be greatly improved by doping with readily available mineral elements.

From Science Daily May 2, 2024

In iron ore, negatively charged iron is bound to positively charged oxygen, forming iron oxide, or rust.

From Science Magazine Apr. 30, 2024

The planet's famous red color is from iron oxide coating everything.

From "The Martian" by Andy Weir

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