transitive verb
1. : to reduce in bulk by boiling
boil down syrup
2. : condense
boil down a narrative
also : simplify
boil down the facts to a short statement
intransitive verb
1. : to become reduced in bulk by boling
the syrup boils down in a very short time
2. : to be adaptable to condensation
the story boils down easily
3. : to be equivalent : amount
the facts boil down to very little significance