orthoclase

play
noun or·tho·clase \ˈȯr-thə-ˌklās, -ˌklāz\

Definition of orthoclase

  1. :  a monoclinic mineral of the feldspar group consisting of a silicate of potassium and aluminum

Origin and Etymology of orthoclase

German Orthoklas, from orth- + Greek klasis breaking, from klan to break — more at clast


Learn More about orthoclase


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fight against or to call in question

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!