- designating an acid the molecule of which contains one hydrogen atom replaceable by a metal or positive radical or capable of reacting with the hydroxyl group
- designating a compound in which a metal or positive radical replaces one acid hydrogen atom
- Of or relating to salts or acids forming salts with one ion of a univalent metal. NaH2PO4 is an example of a monobasic salt.
- Relating to an acid that contains only one hydrogen atom that can be replaced in an acid-base reaction. Hydrochloric acid (HCl) and nitric acid (HNO3) are monobasic acids.
- Of or relating to a compound that contains one metal ion or positive radical.