Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

diopside

play
noun di·op·side \dī-ˈäp-ˌsīd\

Definition of diopside

  1. :  a green to white mineral that consists of pyroxene containing little or no aluminum

diopsidic play \ˌdī-ˌäp-ˈsi-dik\ adjective


Origin of diopside

French, from di- + Greek opsis appearance — more at optic


First Known Use: circa 1808


Learn More about diopside


Seen and Heard

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

WORD OF THE DAY

marked by propriety and good taste

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt maudlin oily angry
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