residue
US /ˈrez.ə.duː/
UK /ˈrez.ə.duː/

1.
residuo, restos, sedimento
a small amount of something that remains after the main part has gone or been taken or used
:
•
There was a sticky residue left on the counter after the spill.
Quedó un residuo pegajoso en el mostrador después del derrame.
•
The chemical left a white powdery residue.
El químico dejó un residuo blanco en polvo.