Definition

1. Noun:
   • The reciprocal of capacitance: In physics, specifically in the study of electricity, an 'elastance unit' is a unit of measurement for elastance. Elastance is defined as the reciprocal (or inverse) of capacitance. It is a measure of a system's opposition to the storage of electric charge.

Usage Examples

• Noun:
  • The daraf is the SI unit of elastance, which is an elastance unit.
  • When calculating the total elastance of capacitors in series, you sum their individual elastance values, each expressed in an appropriate elastance unit.

Advanced Usage

• Technical Context: The concept and its unit are primarily used in specialized electrical engineering and physics contexts when analyzing capacitive circuits from the perspective of "stiffness" to holding charge, rather than capacity.
  • The analysis focused on the system's elastance, measured in darafs, to understand its transient response.

Variants and Related Words

• Elastance (n): The physical quantity for which the 'elastance unit' is the measure. It is the reciprocal of capacitance (S = 1/C).
• Daraf (n): The specific name for the SI derived unit of elastance. It is "farad" spelled backwards, emphasizing its reciprocal nature.

Synonyms

• Reciprocal capacitance: A descriptive synonym highlighting the definition.
• (Unit of) electrical stiffness: A conceptual synonym, as elastance analogously relates to capacitance like mechanical stiffness relates to compliance.

Related Terms (Not Phrasal Verbs)

• Capacitance (n): The ability of a system to store an electric charge, measured in farads. Elastance is its inverse.
• Farad (n): The SI unit of capacitance. The daraf is defined as 1/farad.

Noun

1. the reciprocal of capacitance