anorthite

noun

an·​or·​thite ə-ˈnȯr-ˌthīt How to pronounce anorthite (audio)
: a white, grayish, or reddish feldspar occurring in many igneous rocks
anorthitic adjective

Word History

Etymology

French, from a- + Greek orthos straight

First Known Use

1823, in the meaning defined above

Time Traveler
The first known use of anorthite was in 1823

Dictionary Entries Near anorthite

Cite this Entry

“Anorthite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anorthite. Accessed 28 Feb. 2024.

Kids Definition

anorthite

noun
an·​or·​thite ə-ˈnȯr-ˌthīt How to pronounce anorthite (audio)
: a white, grayish, or reddish calcium-containing feldspar

More from Merriam-Webster on anorthite

Love words? Need even more definitions?

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