DictionarycinderBurned residue
noun

cinder

SIN-der/ˈsɪndər/

A small porous fragment produced by intense heat.

A small black cinder lies beside the ashes of the extinguished campfire.

A close view of a small, partly burned wood fragment resting in a light scatter of ash, with blackened cracks, flaky gray ash, and a surviving brown wood-grain edge.
Etymology

Old English sinder meant iron slag or dross. French cendre, “ashes,” apparently helped shift the word toward the small burnt remnants left after a fire.

In context

Vivid Audio Library383:01
They may burn me to the cinder, but I won't be a witch.
The Ordeal of Richard Feverel by George Meredith (Part 2) | Full Classic Victorian Novel Audiobook

More examples

  • The volcano scattered porous cinders across the slope.
  • A glowing cinder fell from the fire.
  • The path is surfaced with dark volcanic cinders.

Forms

cinder · cinders

Similar words

ash
Ash is generally fine powder; a cinder is a more solid porous fragment.