marcasite

noun

mar·​ca·​site ˈmär-kə-ˌsīt How to pronounce marcasite (audio)
-ˌzīt;
ˌmär-kə-ˈzēt
1
a
: crystallized pyrite
b
: a pale yellow to white mineral of the same composition and appearance as pyrite but of different crystalline organization and lower specific gravity
2
: a piece of marcasite used in jewelry

Word History

Etymology

Middle English marchasite, from Medieval Latin marcasita

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of marcasite was in the 15th century

Dictionary Entries Near marcasite

Cite this Entry

“Marcasite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marcasite. Accessed 2 Dec. 2022.

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