retentivity

Thân thiện

The gardener tests the soil's retentivity after watering.

Definition

Noun: 1. The ability to retain or hold onto something. This is the core meaning, referring to a general capacity for keeping things from being lost or released. 2. The power of retaining and recalling past experience; memory. In this context, it is a formal or technical synonym for the faculty of memory. 3. The power of retaining liquid. Used specifically in scientific contexts (e.g., physics, materials science, soil science) to describe a material's capacity to hold a fluid.

Usage Examples

• General Capacity to Retain:
  • The retentivity of the new training program is high, with employees remembering procedures months later.
  • The retentivity of his political support was tested during the scandal.
• Referring to Memory:
  • In his old age, his retentivity for names diminished, though he could still recall old stories vividly.
  • The study measured the information retentivity of students under different learning conditions.
• Scientific Context (Retaining Liquid/Magnetism):
  • Adding organic compost improves the soil's retentivity, reducing the need for frequent watering.
  • The retentivity of a magnetic material is its ability to maintain magnetization after an external magnetic field is removed.

Advanced Usage

• In Psychology/Cognitive Science: Used to describe the brain's capacity to store information over time, often discussed in studies on learning and memory.
  • The experiment focused on the long-term retentivity of visual information.
• In Physics/Engineering: Specifically denotes magnetic retentivity (or remanence), a key property of permanent magnets.
  • Hard steel has a high magnetic retentivity, making it suitable for permanent magnets.

Variants and Related Words

• Retentive (Adjective): Having the power or capacity to retain. (e.g., , ).
• Retention (Noun): The act of retaining or the state of being retained. This is the more common noun form.
  • Data retention policies. Employee retention rates.
• Retain (Verb): To keep possession of; to continue to have.

Synonyms

• Retention (closest synonym, more common)
• Memory (for the cognitive sense)
• Remanence (specific to magnetism)
• Holding capacity (general)

Antonyms

• Permeability (in some physical contexts, like soil science)
• Forgetfulness (for the memory sense)
• Loss
• Leakage

Học thuật

Noun

1. the power of retaining liquid
   • moisture retentivity of soil
2. the property of retaining possessions that have been acquired
3. the power of retaining and recalling past experience
   • he had a good memory when he was younger

Từ đồng nghĩa

• retentiveness
• retention
• memory