1. preliminary forms or shapes made before final processing or molding
Usage: manufacturing; technical

1. shapes or forms something in advance before final processing
Usage: manufacturing; technical

Examples

• The factory produces plastic preforms that are later blown into bottles.
• Glass preforms are heated and shaped into final containers.
• The manufacturer preforms the metal parts before assembly.
• These ceramic preforms will be fired in the kiln tomorrow.
• The company preforms thousands of bottle blanks daily.
• Workers inspect each preform for defects before processing.
• The machine automatically preforms the plastic material.