ion (C1)
noun
Pronunciation: /ˈaɪən/
Definition
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
Examples
Sodium ions are essential for nerve function.
The solution contained both positive and negative ions.
Electrolysis works by passing an electric current through a solution, causing ions to move towards the electrodes.
How to Use ion
- ion channel (collocation)
- A protein in a cell membrane that allows ions to pass through. — "The drug works by blocking a specific ion channel in the nerve cells."
- positive ion (collocation)
- An atom or molecule that has lost electrons and thus has a positive electric charge. — "A cation is a type of positive ion."
- negative ion (collocation)
- An atom or molecule that has gained electrons and thus has a negative electric charge. — "An anion is a type of negative ion."
Synonyms of ion
Words with a similar meaning to ion:
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