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injection mould
blow mould
extrusion mould
Comprssing mould
The homophone for "mould" is "mold."
'She poured wax into the mould'
'The bread was covered in mould'
A mass of metal cast into a mould is called either an ingot mould or a cold mould. the one that is ready for recasting is usually the ingot mould. A cold mould is one that has been cast on design that maintains its mould.
Mould grow because of the condition.