"Latent energy" refers to the potential or stored energy that is not currently being used or released. It is like a hidden power that is waiting to be activated or converted into useful work. Full definition
However the real release of latent energy occurs where the warm air at 100 % relative humidity comes in contact with freezing cold air. (wattsupwiththat.com)
This material is charged with latent energy, and now, regardless of its previous function, has been altered and put into service of the new. (cumberlandgallery.com)
When latent energy was first discovered in the 18th century, it wasn't known that molecules contained atoms and bonds. (globalwarmingsolved.com)