English Explanatory Dictionary

ion

English dictionary entry

Meanings

noun
  1. An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.
phrase
  1. I don't.
name
  1. Son of Creusa and Xuthus, and the ancestor of Ionian people.
  2. Ion of Chios, a Greek writer, dramatist, lyric poet and philosopher of the Pythagorean school
name
  1. A surname from Romanian.

Pronunciation

ī'ən /ˈaɪən/ ī'ŏn /ˈaɪ.ɒn/ /ˈaɪ.ɑn/ en-us-ion.ogg /ajˈɔn/ /ˈajən/ /ˈaɪˌoʊn/

Word forms

ion ions

Etymology

From the ending of anion and cation, which in turn is from Ancient Greek ἰόν (ión, “going”), neuter present participle of εἶμι (eîmi, “I go”). Coined by English polymath William Whewell in 1834 for Michael Faraday, who introduced it later that year.

Related words

Ion Creangă

Derived words

alkanium ion amidium ion aminium ion anion arenium ion arenonium ion arsanylium ion autoion benzenium ion benzenonium ion bromonium ion byion carbenium ion carbonium ion cation chloronium ion coion common-ion effect complex ion counterion diion dipolar ion electrion electron fluoronium ion gegenion halonium ion heavy ion hydrogen ion hydronium ion interion iodonium ion ion carrier ion channel ion channelopathy ion chromatography ion engine ion exchange ion exchange chromatography ion exchange resin ionic ionics ionise ionize ionist ion milling ion mirror iono- ionogel ionogenic ionome ionophore ion selective electrode ion-selective electrode ion-selective membrane ion storm ion trap ion wind Li-ion lithium-ion battery
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