Lenz's law
noun
ˈlen(t)sə̇z-,
-nzə̇z-
: a law in physics: the electromotive force due to electromagnetic induction tends to produce a current in such direction that the reaction of the current with the inducing flux opposes whatever change is responsible for the induction
Word History
Etymology
after H. F. E. Lenz †1865 German physicist, its formulator