iron oxide

noun

Definition of iron oxide

:any of several oxides of iron: such as
b :the monoxide FeO of iron

First Known Use of iron oxide

1790


Medical Dictionary

iron oxide

noun

medical Definition of iron oxide

:any of several oxides of iron; especially :ferric oxide

Learn More about iron oxide


Seen and Heard

What made you want to look up iron oxide? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

to suppress quietly or indirectly

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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