| a white powder, Li2O, with strong alkaline properties: used in ceramics and glass. |
lith·i·a (lĭth'ē-ə) n. See lithium oxide. [New Latin, from lithion, from Greek, diminutive of lithos, stone.] |
| lithium oxide n. A strongly alkaline white powder, Li2O, used in ceramics and glass. Also called lithia. |