ion

CEFRC1

/ˈaɪˌoʊn/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    An atom or group of atoms with an electric charge.

  2. 02

    noun

    Extra detail

    I don't.

Examples

  • An ion is an atom or molecule with a net electric charge.

  • Lithium ion batteries are used in almost all electric vehicles.

At a glance

Sits at C1 on the CEFR scale

Senses
4
Parts of speech
1

Also pronounced

  • /ˈaɪən/

Deep Dive

noun

Extra meanings

  1. Son of Creusa and Xuthus, and the ancestor of Ionian people.

  2. An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.

More examples

In context

  • This spacecraft is powered by ion thrusters.

  • ion know what 2 do

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

A charged particle called an blank is formed when an atom loses or gains electrons.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

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.