pyrochlore

/pahy-ruh-klawr, -klohr/US // ˈpaɪ rəˌklɔr, -ˌkloʊr //

热释石,火成岩,火烧石,热释石类

Definitions

n.名词 noun

1
- : a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals.