Definition

To convert an atom or molecule into an ion by adding or removing charged particles, usually electrons.

Example

When exposed to radiation, some atoms can ionise and become charged particles.

Tense Forms

Conversation

Did you know that certain processes can ionise the air around us?

Really? I had no idea that was even possible.

Yeah, it helps improve air quality by removing pollutants.

That sounds interesting! I should look more into how it works.

Synonyms & Antonyms

Root Explanation

Ionise → It is formed from "ion" (from Greek "ion", meaning going) and "-ise" (a suffix used to form verbs). The word "ionise" means to convert a substance into ions, or to cause it to go into an ionic state.

Memory Tip

Think of the Greek word for 'going' ('ion') to remember that 'ionise' means to convert something into ions, making it 'go' into an ionic state.

Visually Confused Words