sodium
英 ['s??d??m]
美['sod??m]
- n. [化學] 鈉（11號元素，符號 Na）
英英釋意
- 1. a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)