To save this word, you'll need to log in.
an·des·ite | \ ˈan-di-ˌzīt 
\
\Definition of andesite
: an extrusive usually dark grayish rock consisting essentially of oligoclase or feldspar
Keep scrolling for more
Other Words from andesite
andesitic \ ˌan-di-ˈzi-tik \ adjective
\ adjectiveKeep scrolling for more
Comments on andesite
What made you want to look up andesite? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
January 2020 Words of the Day Quiz
- Which is a synonym of bonhomie?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- January 2020 Words of the Day Quiz
Word of the Day quiz returns (again!)
Take the quiz - Intact Latin Quiz
What did each of these words mean to ancient Romans?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share andesite
Time Traveler for andesite
The first known use of andesite was in 1837
See more words from the same year