oolite

noun
oo·​lite | \ ˈō-ə-ˌlīt How to pronounce oolite (audio) \

Definition of oolite

: a rock consisting of small round grains usually of calcium carbonate cemented together

Other Words from oolite

oolitic \ ˌō-​ə-​ˈli-​tik How to pronounce oolitic (audio) \ adjective

First Known Use of oolite

1785, in the meaning defined above

History and Etymology for oolite

probably from French oolithe, from oo- o- + -lithe -lite

Keep scrolling for more

Learn More about oolite

Statistics for oolite

Look-up Popularity

Time Traveler for oolite

The first known use of oolite was in 1785

See more words from the same year

More from Merriam-Webster on oolite

Britannica.com: Encyclopedia article about oolite

Comments on oolite

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

WORD OF THE DAY

to boil down or concentrate

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!