Clinker (waste)
WordNet
noun
(1) A hard brick used as a paving stone
(2) A fragment of incombustible matter left after a wood or coal or charcoal fire
verb
(3) Turn to clinker or form clinker under excessive heat in burning
(4) Clear out the cinders and clinker from
"We clinkered the fire frequently"
WiktionaryText
Noun
- Slag or ash produced by intense heat in a furnace, kiln or boiler that forms a hard residue upon cooling.
- Hardened volcanic lava.
- A scum of oxide of iron formed in forging.
- A very hard brick used for paving customarily made in the Netherlands.
- A mass of bricks fused together by intense heat.
- One who clinks or an item that clinks, hence fetters are also called clinkers.
- Clink, derived from clinch, hence one who clinches or that clinches.