Definition

1. Noun:
   • A compound characterized by an active anion: An anionic compound is a chemical compound in which the properties or reactivity are primarily determined by the presence and behavior of a negatively charged ion (anion) that is considered "active" or reactive.

Usage Examples

• Noun:
  • Sodium dodecyl sulfate is a common anionic compound used in detergents.
  • The researcher synthesized a new anionic compound for the battery's electrolyte.

Advanced Usage

• In specialized chemistry contexts, the term can imply the anion is the dominant or functional species in the compound's chemical reactions.
  • The catalytic activity stems from the anionic compound acting as a nucleophile.

Variants and Related Words

• Anion (n): A negatively charged ion.
  • Chloride is a common anion.
• Anionic (adj): Relating to or being an anion.
  • The surfactant has an anionic head group.

Synonyms

• Anion-active compound: A compound where the anion is the active component.
• Salt (in a broad, non-specific sense for many ionic compounds, though not all salts are specifically characterized by an anion).

Related Phrases

• Anionic surfactant: A type of that lowers surface tension, where the active part is a negative ion.
  • Anionic surfactants are effective at removing oily stains.

Noun

1. a compound characterized by an active anion