| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
slag (slæɡ) ![]() | |
| —n | |
| 1. | See also basic slag Also called: cinder the fused material formed during the smelting or refining of metals by combining the flux with gangue, impurities in the metal, etc. It usually consists of a mixture of silicates with calcium, phosphorus, sulphur, etc |
| 2. | a mass of rough fragments of pyroclastic rock and cinders derived from a volcanic eruption; scoria |
| 3. | a mixture of shale, clay, coal dust, and other mineral waste produced during coal mining |
| 4. | slang (Brit) a coarse or dissipated girl or woman |
| —vb , slags, slagging, slagged | |
| 5. | slang (Brit) (tr), ( |
| 6. | slang (Austral) (intr) to spit |
| [C16: from Middle Low German slagge, perhaps from slagen to | |
| 'slagging | |
| —n | |
| 'slaggy | |
| —adj | |
| slag (slāg) Pronunciation Key
The vitreous mass left as a residue by the smelting of metallic ore. It consists mostly of the siliceous and aluminous impurities from the iron ore. |