- a positively charged ion that is attracted to the cathode in electrolysis.
- any positively charged atom or group of atoms (opposed to anion).
Origin of cation
Examples from the Web for cation
Historical Examples of cation
The remainder of the molecule, which usually consists of a single atom, is the cation.
It will be noticed that in neutralization the anion of the acid and the cation of the base are not changed.
For this class of grievances the present edu- cation of woman is responsible.The Unexpurgated Case Against Women Suffrage
Almroth E. Wright
- a positively charged ion; an ion that is attracted to the cathode during electrolysisCompare anion
Word Origin for cation
- An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.
- An ion with net positive charge, having more protons than electrons. In electrolysis, cations migrate to a negatively charged cathode. Compare anion.