1
general::
Phrase(s): dissolve something in something
to cause a substance to break down in a liquid and disperse in the liquid. (See also dissolve in something.) • First, dissolve the salt in some warm water. • Dissolve this medicine in water., Phrase(s): dissolve in something
[for a substance] to break down in a liquid and disperse in the liquid. (Compare this with dissolve into something.) • Salt will dissolve in warm water. • This material will not dissolve in oil.
McGrawhill's American Idioms And Phrasal Verbs