ion

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ion

an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ion

(ÿ -on, -ŏn) An atom or molecule that has lost or gained one or more electrons, thus having a positive or negative charge.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

ion

[′ī‚än]
(chemistry)
An isolated electron or positron or an atom or molecule which by loss or gain of one or more electrons has acquired a net electric charge.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Higher resolution observations will allow us to see the distribution and motion of ionised oxygen in the galaxy and provide vital information to help us understand the properties of the galaxy."
Most Distant Oxygen Ever Observed
The resulting super ionised air/gas or Plasma occupies the chamber for a pre-determined time, the low surface energy surface of parts are exposed to this highly active environment and undergo a very efficient surface treatment.
Back to basics: a quick guide to plasma technology: courtesy of Chris Lines, managing director, Dyne Technology
During operation the high velocity, filtered ionised air exits the IonRinse head unit via the airflow distributor and enters the container.
Meech presents sustainability breakthrough
The researchers found that men in the highest third of ionised serum calcium levels were three times more likely to die of prostate cancer than those with the least amount of ionised serum calcium.
New biomarker for fatal prostate cancer identified
Shortly after the Big Bang, the universe was ionised: ordinary matter consisted of hydrogen with its positively charged protons stripped of their negatively charged electrons.
How Faintest Galaxies Illuminated Early Universe

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