bridgmanite / ˈbrɪdʒ məˌnaɪt /

🎓大学词汇桥石桥墩石

bridgmanite 的定义

n. 名词 noun

Mineralogy.

  1. a magnesium-silicate mineral, MgSiO3, the most abundant mineral on earth, making up around 70 percent of the lower mantle.