Clark standard cell

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Definition

Noun: A Clark standard cell is a specific type of electrochemical cell (voltaic cell) that was historically used as a primary standard for measuring and calibrating electromotive force (EMF), or voltage.

Usage

The term is used in historical and technical contexts to refer to this obsolete scientific instrument. * Early electrical laboratories used a Clark standard cell to calibrate their voltmeters. * The EMF of a Clark standard cell is temperature-dependent, which was one of its limitations.

Advanced Usage
  • The cell is named for its inventor, the English engineer Josiah Latimer Clark.
  • It was superseded by the more stable and temperature-independent Weston standard cell.
Variants and Related Words
  • Standard cell (n): A broader term for any electrochemical cell used as a voltage standard.
  • Voltaic cell (n): A general term for a cell that produces electrical energy from chemical reactions.
  • Weston standard cell (n): The modern, cadmium-based standard cell that replaced the Clark cell.
Synonyms
  • Clark cell (n): A direct synonym.
  • Voltage standard cell (n): A descriptive synonym.
Noun
  1. a form of voltaic cell once used as a standard for electromotive force

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