释义 |
aker·man·ite \ˈōkə(r)məˌnīt, ˈak-\ noun (-s) Etymology: German åkermanit, from Richard Åkerman, 19th century Swedish mineralogist + German -it -ite : a mineral Ca2MgSi2O7 that consists of calcium magnesium silicate and is an end-member of the melilite series |