A voltaic cell, such as a Clark cell or Weston cell, used as a standard of e.m.f.
Chemistry
A voltaic cell, such as a Clark cell, or Weston cell, used as a standard of e.m.f.
Chemical Engineering
A voltaic cell used to produce a constant and accurately known electromotive force (e.m.f.). It is used as a standard e.m.f. to calibrate voltage-measuring instruments.
Electronics and Electrical Engineering
An electrolytic cell that is used as a voltage reference standard. SeeClark cell; Weston standard cell.