Definitions

1. noun

a state or process of being charged with electricity

“The kation in the battery was causing it to malfunction.”

2. noun

a person who is visiting or being hosted by another person or institution

“The kation was given a tour of the city by his host.”

3. noun

a suffix used in chemistry to denote a positively charged ion

“The kation had a +2 charge in the chemical compound.”