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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.

Environmental Protection Agency also released a statement cautioning against claims made about the the effectiveness of air filters using ionization to protect people from COVID-19.

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 authors have effectively disproven previous claims suggesting that the sulfur anomaly in Planetary Nebulae was a result of underestimated higher sulfur ionization stages or weak sulfur line fluxes.

From Science Daily • Feb. 7, 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

They provided precise ionization data, spelled out their theory on how positrons emitted by the bombarded atoms transmuted into gamma rays, and carefully avoided any speculation about the significance of the new phenomenon.

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