subproblem
noun
sub·prob·lem ˈsəb-ˌprä-bləm 
: a problem that is contingent on or forms a part of another more inclusive problem
Word History
First Known Use
circa 1645, in the meaning defined above
- dump on someone's lap
- dump power
- dump rake
- dump shot
- dump something in someone's lap
- dump something into someone's lap
- dump something on someone's lap
- dump trailer
- dump truck
- dump valve
- dump wagon
- dumpbins
- dumpcart
- dumpcarts
- dumped
- dumped on
- dumper
- dumper truck
- dumpers
- dumpier
- dumpies
- dumpiest
- dumpily
- dumpiness
- dumpinesses