Dross

Definition:

(n.) The scum or refuse matter which is thrown off, or falls from, metals in smelting the ore, or in the process of melting; recrement.
(n.) Rust of metals.
(n.) Waste matter; any worthless matter separated from the better part; leavings; dregs; refuse.

Compare dross with other words:

dross vs. gross

dross vs. drossy

dress vs. dross

cross vs. dross

chaff vs. dross

alleviate vs. dross

dross vs. recrement

alloy vs. dross

dross vs. nugatory

cinder vs. dross

dross vs. remove

dross vs. oxidation

dross vs. refine

dross vs. scoria

dregs vs. dross