bridgmanite

[ brij-muh-nahyt ]

noun

, Mineralogy.

1. a magnesium-silicate mineral, MgSiO 3 , the most abundant mineral on earth, making up around 70 percent of the lower mantle.

Word History and Origins

Origin of bridgmanite¹

Bridgman ( def ) + -ite ¹( def ); coined by Chi Ma (U.S. mineralogist) and Oliver Tschauner (German-born mineralogist) in 2014