Definition

1. Noun:
   • The property or quality of being selective: The characteristic of carefully choosing only certain things or people, or of responding only to specific stimuli.
   • The degree to which a device (like a radio receiver) can distinguish a desired signal from others: A measure of how well a system can select a specific frequency or signal while rejecting unwanted ones.

Usage Examples

• General Use:
  • The selectivity of the admissions process ensures only the most qualified candidates are chosen.
  • A critic's selectivity in reviewing films is highly respected.
• Technical/Scientific Use:
  • This new filter offers improved selectivity, blocking unwanted noise effectively.
  • The radio's poor selectivity made it difficult to tune into just one station.

Advanced Usage

• "Kinetic selectivity": In chemistry, refers to the preference of a reaction to produce one product over another based on reaction rates.
  • The catalyst demonstrated high kinetic selectivity for the desired isomer.
• "Binding selectivity": In biochemistry, describes the degree to which a ligand binds to a particular target versus other potential targets.
  • The drug's effectiveness depends on its binding selectivity for the receptor.

Variants and Related Words

• Selective (adjective): Involving or characterized by selection; choosy.
  • She is very selective about the books she reads.
• Select (verb): To choose something carefully from a group.
  • Please select your preferred option from the menu.

Synonyms

• Discrimination: The ability to recognize and understand the difference between things; often implies good judgment.
• Choosiness: The quality of being very careful in choosing (more informal).
• Specificity: The quality of belonging or relating uniquely to a particular subject.

Related Phrases and Concepts

• "Selectivity coefficient": In analytical chemistry, a numerical measure of an electrode's or sensor's preference for one ion over another.
• "Frequency selectivity": In acoustics and signal processing, the ability of a system to resolve different frequency components.

Noun

1. the property of being selective