Cinder
/sˈɪndər/
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Definition
(noun) Partially or mostly burnt material that results from incomplete combustion of coal or wood etc.; it often rides the rising smoke column into the air, and it can pose a fire hazard when it lands, in dry conditions.
Sentence Examples
Tom felt as if a cinder block was dropped on his head.
Where did you buy cinder blocks?
CEFR Practice Quiz
A small ____ flew out of the fireplace and landed on the wooden rug.