1. Volcanic ashes.

2. Dross; the recrement of metals in fusion.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• acoria,
• zcoria,
• xcoria,
• dcoria,
• ecoria,
• wcoria,
• sxoria,
• svoria,
• sforia,
• sdoria,
• sciria,
• scorria,
• scoriaa,
• Scorae,
• scoriae,
• scerea,
• Scorriah,
• Scorrea,
• Sceria,
• Scoriya

• sciara,
• scary,
• scare,
• schor,
• Scry,
• scour,
• score,
• scar,
• scree,
• schur,
• scarey,
• screwy,
• screw,
• scurry,
• scher,
• schorr.

The adjective form of the word "scoria" is "scoriaceous".

The plural of the "scoria" can be the "scoriae".

The singular of the "scoria" can be the "scoria".