lithiumn. 鋰鋰Li學術名詞鋰：化學元素、電機工程、礦冶工程、金屬材料、動物學、資訊鋰鹽：心理學鋰li：電力工程英文釋義a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals