ions - Definitions from Dictionary.com

3 results for: ions

American Heritage Dictionary - Cite This Source - Share This

i·on Audio Help (ī'ŏn', ī'ən) Pronunciation Key
n. An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.

[Greek ion, something that goes, neuter present participle of ienai, to go; see ei- in Indo-European roots.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Encyclopædia Britannica, Inc.
ions

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The American Heritage Science Dictionary - Cite This Source - Share This

ion Audio Help (ī'ən, ī'ŏn') Pronunciation Key
An atom or a group of atoms that has an electric charge. Positive ions, or cations, are formed by the loss of electrons; negative ions, or anions, are formed by the gain of electrons.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Acronym Finder - Cite This Source - Share This

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