noun

cinderblock

breeze block, concrete block

They built a wall with cinderblocks.

They built a wall with breeze blocks.

He used a cinderblock to hold the door open.

He used a breeze block to hold the door open.

((noun)) a type of building material A cinderblock is heavy.

Synonyms: concrete block, breeze block (common UK term)

A compound of 'cinder' (ash) and 'block'. They were originally made with coal cinders.

Picture a grey, rectangular block used for building simple walls. Cinder + block = a block made from cinders.

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