cinder

cinder [sin′dər]

n.

[ME & OE sinder, dross of iron, slag < IE base * sendhro-, coagulating fluid > Ger sinter, dross of iron, stalactite, sintern, to trickle, coagulate, Czech śadra, gypsum]

1. slag, as from the reduction of metallic ores

2. a rough piece of solid lava from a volcano

3. any matter, as coal or wood, burned out or partly burned, but not reduced to ashes

4. a minute piece of such matter

5. a coal that is still burning but not flaming

6. [pl.] ashes from coal or wood

vt.

1. Rare to burn to cinders

2. to cover with cinders

cindery

adj.