In obsolete terms the difference between macerate and emacerate
is that
macerate is to subdue the appetite by poor or scanty diet; to mortify while
emacerate is to make or become lean; to emaciate.
As verbs the difference between macerate and emacerate
is that
macerate is to soften (something) or separate (something) into pieces by soaking (it) in a heated or unheated liquid while
emacerate is to make or become lean; to emaciate.
As a noun macerate
is a macerated substance.