noun🔗ShareओलिविनAny of a group of olive green magnesium-iron silicate minerals that crystallize in the orthorhombic system."The volcanic rock contained sparkling green crystals of olivine. "ज्वालामुखी चट्टान में ओलिविन के चमकदार हरे क्रिस्टल थे।mineralgeologymaterialsubstanceChat with AIVocabulary GamePractice Reading