- (electronics) The amount of energy needed to sustain 1 amp for 1 sec in a 1-ohm resistance.
- (chemistry) (J) Defined as a SI unit which expresses a unit of energy. 1 J = 1 kg*m2/s2. [General Chemistry Third Edition; Wrighton, Mark S.; Ebbing,Darrell D; pp. 188-220; Houghton Mifflin Company: Boston] Source: Atmospheric Chemistry Glossary