residual

US /rɪˈzɪdʒ.ju.əl/
UK /rɪˈzɪdʒ.ju.əl/
1.

dư, còn lại, còn sót, còn dư

remaining after the greater part or quantity has gone.

:
•
the withdrawal of residual occupying forces
:
remainingleftoverunusedunconsumedsurplusextraexcesssuperfluousresiduaryremanentlingeringlastingenduringabidingpersistingsurvivingvestigial
1.

chất cặn, số thừa

a quantity remaining after other things have been subtracted or allowed for.

:
residue