- lithium (n.)
[lithium 词源字典]
- silver-white metallic element, 1818, with element ending -ium + lithia, Modern Latin name given by Swedish chemist Jöns Jacob Berzelius (1779-1848) to the earth from which it was extracted, from Greek lithos "stone" (see litho-). So called from its mineral origin and to distinguish it from two previously known alkalis of vegetable origin.[lithium etymology, lithium origin, 英语词源]