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ion
(redirected from positive ion)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
i·on  (n, n)
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.]

ion [ˈaɪən -ɒn]
n
(Physics / Atomic Physics) an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons See also cation, anion
[from Greek, literally: going, from ienai to go]

ion  (n, n)
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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.ion - a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
anion - a negatively charged ion
cation - a positively charged ion
subatomic particle, particle - a body having finite mass and internal structure but negligible dimensions
Translations
ion [ˈaɪən] Nion m
ion [ˈaɪən] nion m
ion
nIon nt
ion [ˈaɪən] nione m


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These type of straighteners smooth hair by balancing out positive ions and friction.
Less expensive hair dryers emit positive ions which cause hair to become frizzy and look dull in appearance.
A negative ion has an extra electron and a positive ion is missing an electron.
 
 
 
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