/
ɪˈkwɪv(ə)l(ə)nt/
adj.
- equal in value, amount, function, meaning, etc.
▸
(equivalent to)
having the same or a similar effect as.
- Mathematics belonging to the same equivalence class.
n.
- a person or thing that is equivalent to another.
-
(also equivalent weight)
Chemistry the mass of a particular substance that can combine with or displace one gram of hydrogen or eight grams of oxygen, used in expressing combining powers of elements.
Derivative
Etymology
ME: via OFr. from late L. aequivalent-, aequivalere ‘be of equal worth’.