CINDERING

Verb

cindering

present participle of cinder

Source: Wiktionary

CINDER

Cin"der, n. Etym: [AS. sinder slag, dross; akin to Icel. sindr dross, Sw. sinder, G. sinter, D. sintel; perh. influenced by F. cendre ashes, fr. L. cinis. Cf. Sinter.]

1. Partly burned or vitrified coal, or other combustible, in which fire is extinct.

2. A hot coal without flame; an ember. Swift.

3. A scale thrown off in forging metal.

4. The slag of a furnace, or scoriaceous lava from a volcano. Cinder frame, a framework of wire in front of the tubes of a locomotive, to arrest the escape of cinders.

– Cinder notch (Metal.), the opening in a blast furnace, through which melted cinder flows out.

Source: Webster’s Unabridged Dictionary 1913 Edition