# ธาตุ
## Noun (N)
### Sense: any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
- 元素
- 化学元素
### Sense: one of four substances thought in ancient and medieval cosmology to constitute the physical universe
- 四行
- 四要素