cationic

Thân thiện

A scientist adds a cationic dye to a clear solution in a beaker.

Definition

1. Adjective:
   • Relating to or having the properties of a cation: Describes something that is of, pertaining to, or characteristic of a positively charged ion (cation). This is a technical term primarily used in chemistry and physics.

Usage Examples

• Adjective:
  • The cationic polymer is used in water treatment to bind with negatively charged particles.
  • This surfactant has a cationic head group, which attracts it to negatively charged surfaces.

Advanced Usage

• "Cationic exchange": Refers to a process where cations in a solution are exchanged with cations bound to a solid medium, such as in water softeners.
  • The soil's fertility is influenced by its capacity for cationic exchange.
• "Cationic detergent": A type of detergent where the surface-active part of the molecule carries a positive charge.
  • Cationic detergents are often used as fabric softeners and antimicrobial agents.

Variants and Related Words

• Cation (n): A positively charged ion.
  • Sodium (Na⁺) is a common cation.
• Anionic (adj): Relating to or having the properties of an anion (a negatively charged ion).
  • Anionic surfactants are common in shampoos.

Synonyms

• Positively charged (in a general ionic context).
• Basic (in specific chemical contexts, referring to ions derived from bases).

Related Phrases

(This word is highly technical and does not commonly form phrasal verbs or idioms in everyday language. The related phrases are fixed technical terms.) - Cationic polymerization: A type of chain-growth polymerization where the active center is a cation. - Cationic dye: A dye that carries a positive charge and is used to dye materials like acrylic fibers.

Học thuật

Adjective

1. of or relating to cations