argillite

noun
ar·​gil·​lite | \ ˈär-jə-ˌlīt How to pronounce argillite (audio) \

Definition of argillite

: a compact argillaceous rock cemented by silica and having no slaty cleavage

First Known Use of argillite

1794, in the meaning defined above

Keep scrolling for more

Learn More about argillite

Statistics for argillite

Look-up Popularity

Time Traveler for argillite

The first known use of argillite was in 1794

See more words from the same year

More from Merriam-Webster on argillite

Britannica.com: Encyclopedia article about argillite

Comments on argillite

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

WORD OF THE DAY

suitable to be imparted to the public

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
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!