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ionization

British

/ ˌaɪənaɪˈzeɪʃən /

noun

1. the formation of ions as a result of a chemical reaction, high temperature, electrical discharge, particle collisions, or radiation
2. ( as modifier )
  
  ionization temperature
  ionization current

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The study also identified a strong relationship between the amount of hydrocarbons present and the intensity of cosmic-ray ionization in comparable galaxies.

From Science Daily • Feb. 12, 2026

The EPA further warned that ionization technology has the potential to generate ozone and other potentially harmful byproducts indoors.

From Los Angeles Times • Jan. 30, 2025

It’s located about 1,000 light years from Earth and it’s visible thanks to the ionization of gases by the blue giant star Persei.

From BBC • Sep. 12, 2024

"The collision of high-energy charged particles from the pulsar wind with the inflowing matter in the disc increases the ionization level of the disc," the authors wrote.

From Salon • Aug. 30, 2023

McMillan perceived the same purple glow as Lawrence through his welders glass, and similarly attributed it to the ionization of atmospheric gas.

From "Big Science" by Michael Hiltzik

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023