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autoionization

[aw-toh-ahy-uh-nuh-zey-shuhn]

noun Physics.

Auger effect.

Origin:
auto-¹ + ionization

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Autoionization is always a great word to know.

So is spectrum. Does it mean:

light waves or particles, the band of colors produced when sunlight passes through a prism, comprising red, orange, yellow, green, blue, indigo, and violet

a form of electromagnetic radiation of shorter wavelength than light and capable of penetrating solids and of ionizing gases

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Collins

World English Dictionary

autoionization or autoionisation (ˌɔːtəʊˌaɪənaɪˈzeɪʃən)

—n
	physics the process in which spontaneous decay of excited atoms or molecules results in emission of electrons, rather than photons

autoionisation or autoionisation

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Auger effect

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autoionization

au·to·i·on·i·za·tion