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Definitions from WordNet

Definitions from the Web

ion

Definition:

An ion is a charged particle that is formed when an atom gains or loses one or more electrons.

Part of Speech:

Noun

Senses:

Sense 1:

An electrically charged atom or molecule

Example sentence: The sodium ion is positively charged, while the chloride ion is negatively charged.

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Sense 2:

A device that generates charged particles

Example sentence: The particle accelerator produced a high concentration of ions for the experiment.

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Sense 3:

A region with an excess or deficiency of electrons, giving it a net electric charge

Example sentence: The thunderstorm created a large number of negative ions in the atmosphere.

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Sense 4:

Local usage: An abbreviation for "in other news"

Example sentence: Ion, I heard you got a promotion! Congratulations!

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