sodium
//ˈsəʊ.dɪəm//
Forms
- Plural
- sodiums
Definitions
1.The chemical element (symbol Na) with an atomic number of 11 and atomic weight of 22.990. It is a soft, waxy, silvery, reactive alkali metal that is never found unbound in nature.
2.Employing sodium.
- From Keighley onwards we had obviously returned to civilisation, for the surrounding country was now studded with the sodium street lights of suburbia and a thickening industrial haze was blotting out the moon.
Frequency
Overall
Rare· #4736
By learning goal
- Everyday conversation
- Rare
- General reading & writing
- Rare
- Academic
- Rare
- Literature
- Rare
Etymology
Coined by British chemist Humphry Davy in 1808
From soda + -ium.