| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ol•i•vine (ol′ə vēn′, ol′ə vēn′),USA pronunciation n. - Mineralogyany of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks. Also called chrysolite.
- German Olivin, equivalent. to Olive olive + -in -ine2
- 1785–95;
Collins Concise English Dictionary © HarperCollins Publishers:: olivine /ˈɒlɪˌviːn; ˌɒlɪˈviːn/ n - an olive-green mineral of the olivine group, found in igneous and metamorphic rocks. The clear-green variety (peridot) is used as a gemstone. Composition: magnesium iron silicate. Formula: (MgFe)2SiO4. Crystal structure: orthorhombic
Also called: chrysolite
Etymology: 18th Century: from German, named after its colour |