cinder

/'sində/

Thân thiện

A child carefully picks up a warm cinder from the edge of a campfire.

Definition

1. Noun:
   • A small piece of partly burned coal or wood that is no longer flaming but may still be hot and glowing: A cinder is a fragment of material, typically from a fire, that has stopped burning with a flame but may retain heat and embers.
   • A piece of ash or clinker: It can also refer to a lightweight, porous piece of residue left after the combustion of coal or other materials.
   • Slag or scoria: In geology, "cinder" can refer to a type of volcanic rock that is full of bubble holes, similar to slag.

Examples of Usage

• Noun:
  • She carefully swept the cold cinders from the fireplace.
  • The path in the garden was made of red cinders from the old furnace.
  • The volcano ejected a stream of hot cinders and ash.

Advanced Usage

• "to burn to a cinder": To burn something completely, leaving only ash or charred remains.
  • I forgot the toast and it burned to a cinder.
• "cinder block": A lightweight building block made from coal cinders and cement. (Note: This is a compound word listed here as an example of advanced usage where "cinder" is a component).
  • The garage was built with cinder blocks.

Variants and Related Words

• Cindery (adj): Resembling or covered with cinders.
  • The cindery track made running difficult.
• Cinder cone (n): A steep, conical hill formed by the accumulation of volcanic cinders around a vent.
• Ember (n): A small, glowing piece of coal or wood in a dying fire. (Related but distinct; an ember is often still burning, while a cinder is the resulting ash or clinker.)

Synonyms

• Clinker: A stony residue from burnt coal or from a furnace.
• Ash: The powdery residue left after the burning of a substance.
• Slag: The vitreous residue left after smelting or refining ore.

Related Phrases

• Cinder track: A running track surfaced with fine cinders.
  • The old school still had a cinder track around the football field.
• Cinder toffee (also called honeycomb toffee): A brittle, spongy candy whose texture is likened to that of cinders.

Học thuật

Noun

1. a fragment of incombustible matter left after a wood or coal or charcoal fire

Từ đồng nghĩa

• clinker