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Ionisation Meaning in English

word

ˌaɪənaɪˈzeɪʃən
eye-uh-ny-ZAY-shuhn
ˌaɪənaɪzˈeɪʃən
eye-uh-nye-ZAY-shuhn

Definition

Ionisation is the process of adding or removing electrons from an atom or molecule to form ions. This often happens in chemical reactions or when substances are exposed to radiation or electricity.

Usage & Nuances

Mainly used in scientific and technical contexts, especially in chemistry and physics. Usually spelled 'ionization' in American English; 'ionisation' is the British spelling. Not common in everyday conversation.

Example Sentences

Ionisation happens when an atom loses or gains an electron.

basic

The sun's rays can cause ionisation in the Earth's atmosphere.

basic

Scientists study ionisation to understand chemical reactions.

basic

When air is hit by lightning, rapid ionisation makes it conductive.

natural

You can see ionisation chambers used for smoke detectors in many buildings.

natural

Water vapor’s ionisation energy is quite high, which is why it doesn't conduct electricity easily.

natural