nonionized
Definition
Adjective: - Not converted into ions: Describes a substance, molecule, or atom that has not undergone ionization, meaning it has not gained or lost electrons to become electrically charged.
Usage
The adjective "nonionized" is used primarily in scientific contexts, particularly chemistry and physics, to describe the neutral state of a substance. It is the opposite of "ionized." It often modifies nouns like "form," "state," "molecule," or "atom."
Examples
- In water, the nonionized form of the acid is less reactive.
- The sample contained mostly nonionized particles.
- This medication is absorbed in its nonionized state.
Advanced Usage
- "Nonionized fraction": Refers to the portion of a substance that remains in a neutral, uncharged form in a solution, often important in pharmacology for drug absorption.
- The drug's effectiveness depends on the nonionized fraction crossing the cell membrane.
- Used in contrast with "ionized" to describe equilibrium states in solutions.
- The pH of the environment determines whether the compound exists in an ionized or nonionized form.
Variants and Related Words
- Nonionised (adj): The British English spelling variant of "nonionized."
- Unionized (adj): Can be a synonym in scientific contexts, but note that "unionized" is also a homograph meaning "belonging to a labor union."
- Neutral (adj): A more general term for having no net electric charge, which can describe a nonionized substance.
- Ionized (adj): The direct antonym, meaning converted into ions.
Synonyms
- Unionized (in the chemical sense)
- Uncharged
- Neutral
Antonyms
- Ionized
- Charged
Adjective
-
not converted into ions
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