ionised
Definition
- Adjective:
- Converted totally or partly into ions: Describes a substance, typically a gas or a solution, that has been transformed so that some or all of its atoms or molecules have gained or lost electrons, thus acquiring a net electric charge.
Usage
- The term "ionised" is used to describe the state of matter after it has undergone ionisation. It is commonly applied in scientific contexts, particularly in physics and chemistry, to discuss plasmas, electrolytes, and radiation effects.
- Note on Spelling: "Ionised" is the British English spelling. The American English spelling is "ionized".
Examples
- Adjective:
- The experiment required an ionised gas to conduct electricity.
- The ionised particles were attracted to the negatively charged electrode.
- This is a sample of highly ionised plasma.
Advanced Usage
- "Fully ionised": Describes a state where all atoms in a substance have lost or gained electrons.
- In the core of the sun, matter exists as a fully ionised plasma.
- "Partially ionised": Describes a state where only a fraction of the atoms or molecules are charged.
- The neon in the sign is a partially ionised gas.
Variants and Related Words
- Ionise (verb, BrE) / Ionize (verb, AmE): To convert an atom or molecule into an ion.
- Ultraviolet light can ionise air molecules.
- Ionisation (noun, BrE) / Ionization (noun, AmE): The process of ionising.
- The ionisation of water produces hydrogen ions.
- Ion (noun): An atom or molecule with a net electric charge.
- A sodium ion has a positive charge.
Synonyms
- Charged: Having an electric charge.
- Electrified: Charged with electricity.
Related Phrases
- Ionised layer: Refers to a region of the Earth's atmosphere, such as the ionosphere, which contains a high concentration of ions and free electrons.
- Radio waves can bounce off the ionised layer of the atmosphere.
- Ionised air: Air that has been treated to contain charged particles.
- Some air purifiers work by producing ionised air.
Adjective
-
converted totally or partly into ions
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