![tetrabasic tetrabasic](https://www.tekportal.net/wp-content/uploads/2018/11/tetrabasic.png)
adjective Chemistry.
- (of an acid) having four atoms of hydrogen replaceable by basic atoms or groups.
- containing four basic atoms or groups having a valence of one.
adjective
- (of an acid) containing four replaceable hydrogen atoms
adjective Chemistry.
adjective