brookite

noun
brook·ite | \ˈbru̇-ˌkīt \

Definition of brookite 

: titanium dioxide TiO2 occurring as a mineral in orthorhombic crystals commonly translucent brown or opaque brown to black

Examples of brookite 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 'brookite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brookite

1825, in the meaning defined above

History and Etymology for brookite

Henry J. Brooke †1857 English mineralogist

Keep scrolling for more

Learn More about brookite

Statistics for brookite

Look-up Popularity

Time Traveler for brookite

The first known use of brookite was in 1825

See more words from the same year

More from Merriam-Webster on brookite

Britannica.com: Encyclopedia article about brookite

Comments on brookite

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

WORD OF THE DAY

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
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!