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ion
ion channel
ion engine
ion exchange
ion implantation
ion pair
ion propulsion
ion rocket
ion source
ion trap
Iona
Ionia
Ionian Islands
Ionian mode
Ionian Sea
Ionic
ionic
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ion source
i·on source (plural i·on sourc·es)


noun 
Definition:
 
device for producing ions: a device that produces a stream of ions, especially for use in particle accelerators or ion implantation equipment
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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