Ionisation

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of ionization. alt-of, alternative
  2. 2
    the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas wordnet
  3. 3
    the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge) wordnet

Etymology

From ionise + -ation.

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