Cation

//ˈkætˌaɪ.ən//

"Cation" in a Sentence (2 examples)

A cation is a positively charged ion, with more protons than electrons, while an anion is negatively charged, with more electrons than protons.

A displacement reaction is a chemical reaction in which the cation or anion of one reactant is replaced by one from another reactant.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.