This term has been applied to several units.

(a) The practical C. G. S. unit of electric energy and work–the
volt-coulomb. It is equal to 1E7 ergs–0.73734 foot pound.–.00134 horse
power seconds. A volt-ampere represents one joule per second.

(b) It has also been used as the name of the gram-degree C. thermal
unit–the small calorie.

Synonym–Joulad.