ru·​tile | \ ˈrü-ˌtēl How to pronounce rutile (audio) \

Definition of rutile

: a reddish-brown to black mineral that consists of titanium dioxide usually with a little iron and has a brilliant metallic or adamantine luster

Examples of rutile in a Sentence

Recent Examples on the Web Titanium oxide is rare on Earth, found in minerals such as rutile, anatase, and brookite. Jay Bennett, Popular Mechanics, "Scorching Hot Planet Has a Titanium Atmosphere," 13 Sep. 2017

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

First Known Use of rutile

1805, in the meaning defined above

History and Etymology for rutile

German Rutil, from Latin rutilus

Keep scrolling for more

Learn More about rutile

Time Traveler for rutile

Time Traveler

The first known use of rutile was in 1805

See more words from the same year

Statistics for rutile

Cite this Entry

“Rutile.” Dictionary, Merriam-Webster, Accessed 23 Oct. 2020.

More from Merriam-Webster on rutile Encyclopedia article about rutile

Comments on rutile

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


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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

Love words? Need even more definitions?

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