The use of this term is discouraged, and the term
applied potential should be used instead, for non-periodic signals. However, it is retained here for
sinusoidal and other periodic signals because no suitable substitute for it has been
proposed.
Source:
PAC, 1985, 57, 1491
(Recommended terms, symbols, and definitions for electroanalytical chemistry (Recommendations
1985))
on page 1505