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ion

Pronunciation: [aɪən]

Word

Learn how to use ion in a sentence: 6 audio examples across 2 meanings.

Context: “chemistry”

(noun) an ion is a tiny particle that has an electric charge. It can be positive or negative. Ions are created when atoms lose or gain electrons, which are very small parts of the atom.

Example

Sodium ions play an important role in how our bodies send messages between cells.

Example

The solution did not contain any ions, so it couldn't conduct electricity.

Example

Can you explain how an ion is formed in a chemical reaction?

Context: “physics”

(noun) an ion can also refer to charged particles that are important in physics, especially in areas like electricity and magnetism. These ions move and can create electric currents.

Example

The ion moved through the circuit, helping to power the device.

Example

Without ions, the electrical device would not work at all.

Example

What happens to the movement of ions in a magnetic field?

How to pronounce ion

Pronunciation: [aɪən]

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